Home / 979,206.30-1,468,809.45-643,283.10

Finding the Fourth Proportional to 979,206.30, 1,468,809.45 and 643,283.10

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Solution

The fourth proportional to 979,206.30, 1,468,809.45 and 643,283.10 is: 964,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,206.30 : 1,468,809.45 = 643,283.10 : x
  2. Step 2: Convert to fraction form
    979,206.30/1,468,809.45 = 643,283.10/x
  3. Step 3: Cross multiply
    979,206.30x = 1,468,809.45 × 643,283.10
  4. Step 4: Simplify right side
    979,206.30x = 944,860,296,305.30
  5. Step 5: Solve for x
    x = 944,860,296,305.30/979,206.30
  6. Step 6: Final answer
    x = 964,924.65

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Similar ratio
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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.