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Finding the Fourth Proportional to 565,413.80, 848,120.70 and 502,428.20

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Solution

The fourth proportional to 565,413.80, 848,120.70 and 502,428.20 is: 753,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,413.80 : 848,120.70 = 502,428.20 : x
  2. Step 2: Convert to fraction form
    565,413.80/848,120.70 = 502,428.20/x
  3. Step 3: Cross multiply
    565,413.80x = 848,120.70 × 502,428.20
  4. Step 4: Simplify right side
    565,413.80x = 426,119,756,683.74
  5. Step 5: Solve for x
    x = 426,119,756,683.74/565,413.80
  6. Step 6: Final answer
    x = 753,642.30

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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.