Home / 656,746.92-906,299.28-370,267.20

Finding the Fourth Proportional to 656,746.92, 906,299.28 and 370,267.20

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Solution

The fourth proportional to 656,746.92, 906,299.28 and 370,267.20 is: 510,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,746.92 : 906,299.28 = 370,267.20 : x
  2. Step 2: Convert to fraction form
    656,746.92/906,299.28 = 370,267.20/x
  3. Step 3: Cross multiply
    656,746.92x = 906,299.28 × 370,267.20
  4. Step 4: Simplify right side
    656,746.92x = 335,572,896,767.62
  5. Step 5: Solve for x
    x = 335,572,896,767.62/656,746.92
  6. Step 6: Final answer
    x = 510,962.27

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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.