Home / 817,707.30-1,224,228.15-502,779.30

Finding the Fourth Proportional to 817,707.30, 1,224,228.15 and 502,779.30

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Solution

The fourth proportional to 817,707.30, 1,224,228.15 and 502,779.30 is: 752,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,707.30 : 1,224,228.15 = 502,779.30 : x
  2. Step 2: Convert to fraction form
    817,707.30/1,224,228.15 = 502,779.30/x
  3. Step 3: Cross multiply
    817,707.30x = 1,224,228.15 × 502,779.30
  4. Step 4: Simplify right side
    817,707.30x = 615,516,572,297.30
  5. Step 5: Solve for x
    x = 615,516,572,297.30/817,707.30
  6. Step 6: Final answer
    x = 752,734.59

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.