Home / 507,945.78-761,250.12-283,411.92

Finding the Fourth Proportional to 507,945.78, 761,250.12 and 283,411.92

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Solution

The fourth proportional to 507,945.78, 761,250.12 and 283,411.92 is: 424,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,945.78 : 761,250.12 = 283,411.92 : x
  2. Step 2: Convert to fraction form
    507,945.78/761,250.12 = 283,411.92/x
  3. Step 3: Cross multiply
    507,945.78x = 761,250.12 × 283,411.92
  4. Step 4: Simplify right side
    507,945.78x = 215,747,358,109.43
  5. Step 5: Solve for x
    x = 215,747,358,109.43/507,945.78
  6. Step 6: Final answer
    x = 424,744.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.