Home / 820,398.48-1,131,834.24-513,941.52

Finding the Fourth Proportional to 820,398.48, 1,131,834.24 and 513,941.52

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Solution

The fourth proportional to 820,398.48, 1,131,834.24 and 513,941.52 is: 709,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,398.48 : 1,131,834.24 = 513,941.52 : x
  2. Step 2: Convert to fraction form
    820,398.48/1,131,834.24 = 513,941.52/x
  3. Step 3: Cross multiply
    820,398.48x = 1,131,834.24 × 513,941.52
  4. Step 4: Simplify right side
    820,398.48x = 581,696,609,693.65
  5. Step 5: Solve for x
    x = 581,696,609,693.65/820,398.48
  6. Step 6: Final answer
    x = 709,041.55

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1.5x scale

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.