Home / 928,488.83-1,392,766.25-297,320.63

Finding the Fourth Proportional to 928,488.83, 1,392,766.25 and 297,320.63

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Solution

The fourth proportional to 928,488.83, 1,392,766.25 and 297,320.63 is: 445,991.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,488.83 : 1,392,766.25 = 297,320.63 : x
  2. Step 2: Convert to fraction form
    928,488.83/1,392,766.25 = 297,320.63/x
  3. Step 3: Cross multiply
    928,488.83x = 1,392,766.25 × 297,320.63
  4. Step 4: Simplify right side
    928,488.83x = 414,098,130,442.30
  5. Step 5: Solve for x
    x = 414,098,130,442.30/928,488.83
  6. Step 6: Final answer
    x = 445,991.51

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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.