Home / 906,126.30-1,250,459.01-498,254.40

Finding the Fourth Proportional to 906,126.30, 1,250,459.01 and 498,254.40

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Solution

The fourth proportional to 906,126.30, 1,250,459.01 and 498,254.40 is: 687,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,126.30 : 1,250,459.01 = 498,254.40 : x
  2. Step 2: Convert to fraction form
    906,126.30/1,250,459.01 = 498,254.40/x
  3. Step 3: Cross multiply
    906,126.30x = 1,250,459.01 × 498,254.40
  4. Step 4: Simplify right side
    906,126.30x = 623,046,703,752.14
  5. Step 5: Solve for x
    x = 623,046,703,752.14/906,126.30
  6. Step 6: Final answer
    x = 687,593.67

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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.