Home / 977,346.90-1,465,329.15-445,122.90

Finding the Fourth Proportional to 977,346.90, 1,465,329.15 and 445,122.90

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Solution

The fourth proportional to 977,346.90, 1,465,329.15 and 445,122.90 is: 667,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,346.90 : 1,465,329.15 = 445,122.90 : x
  2. Step 2: Convert to fraction form
    977,346.90/1,465,329.15 = 445,122.90/x
  3. Step 3: Cross multiply
    977,346.90x = 1,465,329.15 × 445,122.90
  4. Step 4: Simplify right side
    977,346.90x = 652,251,560,702.54
  5. Step 5: Solve for x
    x = 652,251,560,702.54/977,346.90
  6. Step 6: Final answer
    x = 667,369.55

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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.