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Finding the Fourth Proportional to 587,413.80, 880,136.55 and 502,776.90

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Solution

The fourth proportional to 587,413.80, 880,136.55 and 502,776.90 is: 753,323.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,413.80 : 880,136.55 = 502,776.90 : x
  2. Step 2: Convert to fraction form
    587,413.80/880,136.55 = 502,776.90/x
  3. Step 3: Cross multiply
    587,413.80x = 880,136.55 × 502,776.90
  4. Step 4: Simplify right side
    587,413.80x = 442,512,326,185.70
  5. Step 5: Solve for x
    x = 442,512,326,185.70/587,413.80
  6. Step 6: Final answer
    x = 753,323.00

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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.