Home / 906,207.86-1,250,646.53-498,381.57

Finding the Fourth Proportional to 906,207.86, 1,250,646.53 and 498,381.57

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Solution

The fourth proportional to 906,207.86, 1,250,646.53 and 498,381.57 is: 687,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,207.86 : 1,250,646.53 = 498,381.57 : x
  2. Step 2: Convert to fraction form
    906,207.86/1,250,646.53 = 498,381.57/x
  3. Step 3: Cross multiply
    906,207.86x = 1,250,646.53 × 498,381.57
  4. Step 4: Simplify right side
    906,207.86x = 623,299,178,644.54
  5. Step 5: Solve for x
    x = 623,299,178,644.54/906,207.86
  6. Step 6: Final answer
    x = 687,810.39

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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.