Home / 996,981.40-1,495,472.10-365,813.20

Finding the Fourth Proportional to 996,981.40, 1,495,472.10 and 365,813.20

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Solution

The fourth proportional to 996,981.40, 1,495,472.10 and 365,813.20 is: 548,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,981.40 : 1,495,472.10 = 365,813.20 : x
  2. Step 2: Convert to fraction form
    996,981.40/1,495,472.10 = 365,813.20/x
  3. Step 3: Cross multiply
    996,981.40x = 1,495,472.10 × 365,813.20
  4. Step 4: Simplify right side
    996,981.40x = 547,063,434,411.72
  5. Step 5: Solve for x
    x = 547,063,434,411.72/996,981.40
  6. Step 6: Final answer
    x = 548,719.80

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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.