Home / 868,875.48-1,198,998.72-506,358.36

Finding the Fourth Proportional to 868,875.48, 1,198,998.72 and 506,358.36

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Solution

The fourth proportional to 868,875.48, 1,198,998.72 and 506,358.36 is: 698,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,875.48 : 1,198,998.72 = 506,358.36 : x
  2. Step 2: Convert to fraction form
    868,875.48/1,198,998.72 = 506,358.36/x
  3. Step 3: Cross multiply
    868,875.48x = 1,198,998.72 × 506,358.36
  4. Step 4: Simplify right side
    868,875.48x = 607,123,025,501.30
  5. Step 5: Solve for x
    x = 607,123,025,501.30/868,875.48
  6. Step 6: Final answer
    x = 698,745.72

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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.