Home / 452,948.40-679,420.17-115,988.40

Finding the Fourth Proportional to 452,948.40, 679,420.17 and 115,988.40

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Solution

The fourth proportional to 452,948.40, 679,420.17 and 115,988.40 is: 173,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,948.40 : 679,420.17 = 115,988.40 : x
  2. Step 2: Convert to fraction form
    452,948.40/679,420.17 = 115,988.40/x
  3. Step 3: Cross multiply
    452,948.40x = 679,420.17 × 115,988.40
  4. Step 4: Simplify right side
    452,948.40x = 78,804,858,446.03
  5. Step 5: Solve for x
    x = 78,804,858,446.03/452,948.40
  6. Step 6: Final answer
    x = 173,981.98

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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.