Home / 906,529.47-1,250,984.19-498,631.20

Finding the Fourth Proportional to 906,529.47, 1,250,984.19 and 498,631.20

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Solution

The fourth proportional to 906,529.47, 1,250,984.19 and 498,631.20 is: 688,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,529.47 : 1,250,984.19 = 498,631.20 : x
  2. Step 2: Convert to fraction form
    906,529.47/1,250,984.19 = 498,631.20/x
  3. Step 3: Cross multiply
    906,529.47x = 1,250,984.19 × 498,631.20
  4. Step 4: Simplify right side
    906,529.47x = 623,779,747,840.73
  5. Step 5: Solve for x
    x = 623,779,747,840.73/906,529.47
  6. Step 6: Final answer
    x = 688,096.49

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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.