Home / 913,459.28-1,369,848.12-314,250.96

Finding the Fourth Proportional to 913,459.28, 1,369,848.12 and 314,250.96

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Solution

The fourth proportional to 913,459.28, 1,369,848.12 and 314,250.96 is: 471,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,459.28 : 1,369,848.12 = 314,250.96 : x
  2. Step 2: Convert to fraction form
    913,459.28/1,369,848.12 = 314,250.96/x
  3. Step 3: Cross multiply
    913,459.28x = 1,369,848.12 × 314,250.96
  4. Step 4: Simplify right side
    913,459.28x = 430,476,086,764.20
  5. Step 5: Solve for x
    x = 430,476,086,764.20/913,459.28
  6. Step 6: Final answer
    x = 471,259.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.