Home / 848,136.76-1,170,437.76-460,952.21

Finding the Fourth Proportional to 848,136.76, 1,170,437.76 and 460,952.21

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Solution

The fourth proportional to 848,136.76, 1,170,437.76 and 460,952.21 is: 636,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,136.76 : 1,170,437.76 = 460,952.21 : x
  2. Step 2: Convert to fraction form
    848,136.76/1,170,437.76 = 460,952.21/x
  3. Step 3: Cross multiply
    848,136.76x = 1,170,437.76 × 460,952.21
  4. Step 4: Simplify right side
    848,136.76x = 539,515,872,139.45
  5. Step 5: Solve for x
    x = 539,515,872,139.45/848,136.76
  6. Step 6: Final answer
    x = 636,118.96

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.