Home / 979,338.60-1,468,417.41-447,307.11

Finding the Fourth Proportional to 979,338.60, 1,468,417.41 and 447,307.11

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Solution

The fourth proportional to 979,338.60, 1,468,417.41 and 447,307.11 is: 670,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,338.60 : 1,468,417.41 = 447,307.11 : x
  2. Step 2: Convert to fraction form
    979,338.60/1,468,417.41 = 447,307.11/x
  3. Step 3: Cross multiply
    979,338.60x = 1,468,417.41 × 447,307.11
  4. Step 4: Simplify right side
    979,338.60x = 656,833,547,940.79
  5. Step 5: Solve for x
    x = 656,833,547,940.79/979,338.60
  6. Step 6: Final answer
    x = 670,690.96

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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.