Home / 738,001.80-1,107,002.70-559,542.60

Finding the Fourth Proportional to 738,001.80, 1,107,002.70 and 559,542.60

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Solution

The fourth proportional to 738,001.80, 1,107,002.70 and 559,542.60 is: 839,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,001.80 : 1,107,002.70 = 559,542.60 : x
  2. Step 2: Convert to fraction form
    738,001.80/1,107,002.70 = 559,542.60/x
  3. Step 3: Cross multiply
    738,001.80x = 1,107,002.70 × 559,542.60
  4. Step 4: Simplify right side
    738,001.80x = 619,415,168,965.02
  5. Step 5: Solve for x
    x = 619,415,168,965.02/738,001.80
  6. Step 6: Final answer
    x = 839,313.90

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Double scale
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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.