Home / 951,031.98-1,312,440.03-515,463.35

Finding the Fourth Proportional to 951,031.98, 1,312,440.03 and 515,463.35

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Solution

The fourth proportional to 951,031.98, 1,312,440.03 and 515,463.35 is: 711,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,031.98 : 1,312,440.03 = 515,463.35 : x
  2. Step 2: Convert to fraction form
    951,031.98/1,312,440.03 = 515,463.35/x
  3. Step 3: Cross multiply
    951,031.98x = 1,312,440.03 × 515,463.35
  4. Step 4: Simplify right side
    951,031.98x = 676,514,727,975.70
  5. Step 5: Solve for x
    x = 676,514,727,975.70/951,031.98
  6. Step 6: Final answer
    x = 711,348.03

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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.