Home / 754,699.20-1,132,048.80-333,758.40

Finding the Fourth Proportional to 754,699.20, 1,132,048.80 and 333,758.40

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Solution

The fourth proportional to 754,699.20, 1,132,048.80 and 333,758.40 is: 500,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,699.20 : 1,132,048.80 = 333,758.40 : x
  2. Step 2: Convert to fraction form
    754,699.20/1,132,048.80 = 333,758.40/x
  3. Step 3: Cross multiply
    754,699.20x = 1,132,048.80 × 333,758.40
  4. Step 4: Simplify right side
    754,699.20x = 377,830,796,209.92
  5. Step 5: Solve for x
    x = 377,830,796,209.92/754,699.20
  6. Step 6: Final answer
    x = 500,637.60

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Similar ratio
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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.