Home / 709,945.20-1,065,436.20-499,993.20

Finding the Fourth Proportional to 709,945.20, 1,065,436.20 and 499,993.20

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Solution

The fourth proportional to 709,945.20, 1,065,436.20 and 499,993.20 is: 750,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,945.20 : 1,065,436.20 = 499,993.20 : x
  2. Step 2: Convert to fraction form
    709,945.20/1,065,436.20 = 499,993.20/x
  3. Step 3: Cross multiply
    709,945.20x = 1,065,436.20 × 499,993.20
  4. Step 4: Simplify right side
    709,945.20x = 532,710,855,033.84
  5. Step 5: Solve for x
    x = 532,710,855,033.84/709,945.20
  6. Step 6: Final answer
    x = 750,354.89

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Double scale
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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.