Home / 848,299.12-1,170,681.30-499,376.57

Finding the Fourth Proportional to 848,299.12, 1,170,681.30 and 499,376.57

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Solution

The fourth proportional to 848,299.12, 1,170,681.30 and 499,376.57 is: 689,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,299.12 : 1,170,681.30 = 499,376.57 : x
  2. Step 2: Convert to fraction form
    848,299.12/1,170,681.30 = 499,376.57/x
  3. Step 3: Cross multiply
    848,299.12x = 1,170,681.30 × 499,376.57
  4. Step 4: Simplify right side
    848,299.12x = 584,610,806,303.74
  5. Step 5: Solve for x
    x = 584,610,806,303.74/848,299.12
  6. Step 6: Final answer
    x = 689,156.45

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Double scale
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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.