Home / 452,721.60-679,082.40-446,816.70

Finding the Fourth Proportional to 452,721.60, 679,082.40 and 446,816.70

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Solution

The fourth proportional to 452,721.60, 679,082.40 and 446,816.70 is: 670,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,721.60 : 679,082.40 = 446,816.70 : x
  2. Step 2: Convert to fraction form
    452,721.60/679,082.40 = 446,816.70/x
  3. Step 3: Cross multiply
    452,721.60x = 679,082.40 × 446,816.70
  4. Step 4: Simplify right side
    452,721.60x = 303,425,356,996.08
  5. Step 5: Solve for x
    x = 303,425,356,996.08/452,721.60
  6. Step 6: Final answer
    x = 670,225.05

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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.