Home / 495,905.30-745,413.15-486,574.10

Finding the Fourth Proportional to 495,905.30, 745,413.15 and 486,574.10

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Solution

The fourth proportional to 495,905.30, 745,413.15 and 486,574.10 is: 731,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,905.30 : 745,413.15 = 486,574.10 : x
  2. Step 2: Convert to fraction form
    495,905.30/745,413.15 = 486,574.10/x
  3. Step 3: Cross multiply
    495,905.30x = 745,413.15 × 486,574.10
  4. Step 4: Simplify right side
    495,905.30x = 362,698,732,589.42
  5. Step 5: Solve for x
    x = 362,698,732,589.42/495,905.30
  6. Step 6: Final answer
    x = 731,387.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.