Home / 497,474.08-686,516.54-282,625.93

Finding the Fourth Proportional to 497,474.08, 686,516.54 and 282,625.93

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Solution

The fourth proportional to 497,474.08, 686,516.54 and 282,625.93 is: 390,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,474.08 : 686,516.54 = 282,625.93 : x
  2. Step 2: Convert to fraction form
    497,474.08/686,516.54 = 282,625.93/x
  3. Step 3: Cross multiply
    497,474.08x = 686,516.54 × 282,625.93
  4. Step 4: Simplify right side
    497,474.08x = 194,027,374,164.75
  5. Step 5: Solve for x
    x = 194,027,374,164.75/497,474.08
  6. Step 6: Final answer
    x = 390,025.10

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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.