Home / 977,898.60-1,466,191.80-445,145.40

Finding the Fourth Proportional to 977,898.60, 1,466,191.80 and 445,145.40

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Solution

The fourth proportional to 977,898.60, 1,466,191.80 and 445,145.40 is: 667,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,898.60 : 1,466,191.80 = 445,145.40 : x
  2. Step 2: Convert to fraction form
    977,898.60/1,466,191.80 = 445,145.40/x
  3. Step 3: Cross multiply
    977,898.60x = 1,466,191.80 × 445,145.40
  4. Step 4: Simplify right side
    977,898.60x = 652,668,535,287.72
  5. Step 5: Solve for x
    x = 652,668,535,287.72/977,898.60
  6. Step 6: Final answer
    x = 667,419.44

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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.