Home / 910,179.92-1,256,039.52-502,285.52

Finding the Fourth Proportional to 910,179.92, 1,256,039.52 and 502,285.52

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Solution

The fourth proportional to 910,179.92, 1,256,039.52 and 502,285.52 is: 693,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,179.92 : 1,256,039.52 = 502,285.52 : x
  2. Step 2: Convert to fraction form
    910,179.92/1,256,039.52 = 502,285.52/x
  3. Step 3: Cross multiply
    910,179.92x = 1,256,039.52 × 502,285.52
  4. Step 4: Simplify right side
    910,179.92x = 630,890,463,443.75
  5. Step 5: Solve for x
    x = 630,890,463,443.75/910,179.92
  6. Step 6: Final answer
    x = 693,149.18

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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.