Home / 753,154.02-1,129,731.03-220,675.14

Finding the Fourth Proportional to 753,154.02, 1,129,731.03 and 220,675.14

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Solution

The fourth proportional to 753,154.02, 1,129,731.03 and 220,675.14 is: 331,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,154.02 : 1,129,731.03 = 220,675.14 : x
  2. Step 2: Convert to fraction form
    753,154.02/1,129,731.03 = 220,675.14/x
  3. Step 3: Cross multiply
    753,154.02x = 1,129,731.03 × 220,675.14
  4. Step 4: Simplify right side
    753,154.02x = 249,303,553,207.59
  5. Step 5: Solve for x
    x = 249,303,553,207.59/753,154.02
  6. Step 6: Final answer
    x = 331,012.71

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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.