Home / 887,051.87-1,224,132.05-479,153.70

Finding the Fourth Proportional to 887,051.87, 1,224,132.05 and 479,153.70

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Solution

The fourth proportional to 887,051.87, 1,224,132.05 and 479,153.70 is: 661,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,051.87 : 1,224,132.05 = 479,153.70 : x
  2. Step 2: Convert to fraction form
    887,051.87/1,224,132.05 = 479,153.70/x
  3. Step 3: Cross multiply
    887,051.87x = 1,224,132.05 × 479,153.70
  4. Step 4: Simplify right side
    887,051.87x = 586,547,398,650.32
  5. Step 5: Solve for x
    x = 586,547,398,650.32/887,051.87
  6. Step 6: Final answer
    x = 661,232.36

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Double scale
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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.