Home / 742,501.92-1,023,877.98-440,637.60

Finding the Fourth Proportional to 742,501.92, 1,023,877.98 and 440,637.60

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Solution

The fourth proportional to 742,501.92, 1,023,877.98 and 440,637.60 is: 607,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,501.92 : 1,023,877.98 = 440,637.60 : x
  2. Step 2: Convert to fraction form
    742,501.92/1,023,877.98 = 440,637.60/x
  3. Step 3: Cross multiply
    742,501.92x = 1,023,877.98 × 440,637.60
  4. Step 4: Simplify right side
    742,501.92x = 451,159,135,800.05
  5. Step 5: Solve for x
    x = 451,159,135,800.05/742,501.92
  6. Step 6: Final answer
    x = 607,620.16

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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.