Home / 891,023.02-1,336,223.49-358,405.90

Finding the Fourth Proportional to 891,023.02, 1,336,223.49 and 358,405.90

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Solution

The fourth proportional to 891,023.02, 1,336,223.49 and 358,405.90 is: 537,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,023.02 : 1,336,223.49 = 358,405.90 : x
  2. Step 2: Convert to fraction form
    891,023.02/1,336,223.49 = 358,405.90/x
  3. Step 3: Cross multiply
    891,023.02x = 1,336,223.49 × 358,405.90
  4. Step 4: Simplify right side
    891,023.02x = 478,910,377,850.01
  5. Step 5: Solve for x
    x = 478,910,377,850.01/891,023.02
  6. Step 6: Final answer
    x = 537,483.73

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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.