Home / 654,437.18-902,820.17-382,516.54

Finding the Fourth Proportional to 654,437.18, 902,820.17 and 382,516.54

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Solution

The fourth proportional to 654,437.18, 902,820.17 and 382,516.54 is: 527,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,437.18 : 902,820.17 = 382,516.54 : x
  2. Step 2: Convert to fraction form
    654,437.18/902,820.17 = 382,516.54/x
  3. Step 3: Cross multiply
    654,437.18x = 902,820.17 × 382,516.54
  4. Step 4: Simplify right side
    654,437.18x = 345,343,646,369.85
  5. Step 5: Solve for x
    x = 345,343,646,369.85/654,437.18
  6. Step 6: Final answer
    x = 527,695.64

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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.