Home / 843,283.20-1,164,292.20-499,230.12

Finding the Fourth Proportional to 843,283.20, 1,164,292.20 and 499,230.12

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Solution

The fourth proportional to 843,283.20, 1,164,292.20 and 499,230.12 is: 689,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,283.20 : 1,164,292.20 = 499,230.12 : x
  2. Step 2: Convert to fraction form
    843,283.20/1,164,292.20 = 499,230.12/x
  3. Step 3: Cross multiply
    843,283.20x = 1,164,292.20 × 499,230.12
  4. Step 4: Simplify right side
    843,283.20x = 581,249,734,721.06
  5. Step 5: Solve for x
    x = 581,249,734,721.06/843,283.20
  6. Step 6: Final answer
    x = 689,269.91

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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.