Home / 738,007.80-1,107,011.70-559,548.60

Finding the Fourth Proportional to 738,007.80, 1,107,011.70 and 559,548.60

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Solution

The fourth proportional to 738,007.80, 1,107,011.70 and 559,548.60 is: 839,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,007.80 : 1,107,011.70 = 559,548.60 : x
  2. Step 2: Convert to fraction form
    738,007.80/1,107,011.70 = 559,548.60/x
  3. Step 3: Cross multiply
    738,007.80x = 1,107,011.70 × 559,548.60
  4. Step 4: Simplify right side
    738,007.80x = 619,426,846,918.62
  5. Step 5: Solve for x
    x = 619,426,846,918.62/738,007.80
  6. Step 6: Final answer
    x = 839,322.90

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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.