Home / 452,844.20-679,266.30-407,743.40

Finding the Fourth Proportional to 452,844.20, 679,266.30 and 407,743.40

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Solution

The fourth proportional to 452,844.20, 679,266.30 and 407,743.40 is: 611,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,844.20 : 679,266.30 = 407,743.40 : x
  2. Step 2: Convert to fraction form
    452,844.20/679,266.30 = 407,743.40/x
  3. Step 3: Cross multiply
    452,844.20x = 679,266.30 × 407,743.40
  4. Step 4: Simplify right side
    452,844.20x = 276,966,350,667.42
  5. Step 5: Solve for x
    x = 276,966,350,667.42/452,844.20
  6. Step 6: Final answer
    x = 611,615.10

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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.