Home / 848,518.54-1,171,133.67-538,220.50

Finding the Fourth Proportional to 848,518.54, 1,171,133.67 and 538,220.50

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Solution

The fourth proportional to 848,518.54, 1,171,133.67 and 538,220.50 is: 742,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,518.54 : 1,171,133.67 = 538,220.50 : x
  2. Step 2: Convert to fraction form
    848,518.54/1,171,133.67 = 538,220.50/x
  3. Step 3: Cross multiply
    848,518.54x = 1,171,133.67 × 538,220.50
  4. Step 4: Simplify right side
    848,518.54x = 630,328,149,434.24
  5. Step 5: Solve for x
    x = 630,328,149,434.24/848,518.54
  6. Step 6: Final answer
    x = 742,857.25

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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.