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Finding the Fourth Proportional to 500,543.80, 750,815.70 and 500,543.80

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Solution

The fourth proportional to 500,543.80, 750,815.70 and 500,543.80 is: 750,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,543.80 : 750,815.70 = 500,543.80 : x
  2. Step 2: Convert to fraction form
    500,543.80/750,815.70 = 500,543.80/x
  3. Step 3: Cross multiply
    500,543.80x = 750,815.70 × 500,543.80
  4. Step 4: Simplify right side
    500,543.80x = 375,816,143,577.66
  5. Step 5: Solve for x
    x = 375,816,143,577.66/500,543.80
  6. Step 6: Final answer
    x = 750,815.70

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1.5x scale

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.