Home / 497,481.27-686,526.45-282,633.15

Finding the Fourth Proportional to 497,481.27, 686,526.45 and 282,633.15

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Solution

The fourth proportional to 497,481.27, 686,526.45 and 282,633.15 is: 390,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,481.27 : 686,526.45 = 282,633.15 : x
  2. Step 2: Convert to fraction form
    497,481.27/686,526.45 = 282,633.15/x
  3. Step 3: Cross multiply
    497,481.27x = 686,526.45 × 282,633.15
  4. Step 4: Simplify right side
    497,481.27x = 194,035,133,121.82
  5. Step 5: Solve for x
    x = 194,035,133,121.82/497,481.27
  6. Step 6: Final answer
    x = 390,035.05

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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.