Home / 753,148.10-1,039,343.15-413,616.35

Finding the Fourth Proportional to 753,148.10, 1,039,343.15 and 413,616.35

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Solution

The fourth proportional to 753,148.10, 1,039,343.15 and 413,616.35 is: 570,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,148.10 : 1,039,343.15 = 413,616.35 : x
  2. Step 2: Convert to fraction form
    753,148.10/1,039,343.15 = 413,616.35/x
  3. Step 3: Cross multiply
    753,148.10x = 1,039,343.15 × 413,616.35
  4. Step 4: Simplify right side
    753,148.10x = 429,889,323,732.90
  5. Step 5: Solve for x
    x = 429,889,323,732.90/753,148.10
  6. Step 6: Final answer
    x = 570,789.89

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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.