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Finding the Fourth Proportional to 723,948.30, 998,903.88 and 437,483.70

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Solution

The fourth proportional to 723,948.30, 998,903.88 and 437,483.70 is: 603,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,948.30 : 998,903.88 = 437,483.70 : x
  2. Step 2: Convert to fraction form
    723,948.30/998,903.88 = 437,483.70/x
  3. Step 3: Cross multiply
    723,948.30x = 998,903.88 × 437,483.70
  4. Step 4: Simplify right side
    723,948.30x = 437,004,165,366.76
  5. Step 5: Solve for x
    x = 437,004,165,366.76/723,948.30
  6. Step 6: Final answer
    x = 603,640.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.