Home / 913,250.64-1,369,885.38-407,837.38

Finding the Fourth Proportional to 913,250.64, 1,369,885.38 and 407,837.38

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Solution

The fourth proportional to 913,250.64, 1,369,885.38 and 407,837.38 is: 611,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,250.64 : 1,369,885.38 = 407,837.38 : x
  2. Step 2: Convert to fraction form
    913,250.64/1,369,885.38 = 407,837.38/x
  3. Step 3: Cross multiply
    913,250.64x = 1,369,885.38 × 407,837.38
  4. Step 4: Simplify right side
    913,250.64x = 558,690,464,279.50
  5. Step 5: Solve for x
    x = 558,690,464,279.50/913,250.64
  6. Step 6: Final answer
    x = 611,760.28

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1.5x scale

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.