Home / 977,447.70-1,466,098.65-408,681.90

Finding the Fourth Proportional to 977,447.70, 1,466,098.65 and 408,681.90

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Solution

The fourth proportional to 977,447.70, 1,466,098.65 and 408,681.90 is: 612,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,447.70 : 1,466,098.65 = 408,681.90 : x
  2. Step 2: Convert to fraction form
    977,447.70/1,466,098.65 = 408,681.90/x
  3. Step 3: Cross multiply
    977,447.70x = 1,466,098.65 × 408,681.90
  4. Step 4: Simplify right side
    977,447.70x = 599,167,981,869.44
  5. Step 5: Solve for x
    x = 599,167,981,869.44/977,447.70
  6. Step 6: Final answer
    x = 612,992.37

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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.