Home / 996,814.80-1,495,440.90-322,781.40

Finding the Fourth Proportional to 996,814.80, 1,495,440.90 and 322,781.40

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Solution

The fourth proportional to 996,814.80, 1,495,440.90 and 322,781.40 is: 484,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,814.80 : 1,495,440.90 = 322,781.40 : x
  2. Step 2: Convert to fraction form
    996,814.80/1,495,440.90 = 322,781.40/x
  3. Step 3: Cross multiply
    996,814.80x = 1,495,440.90 × 322,781.40
  4. Step 4: Simplify right side
    996,814.80x = 482,700,507,319.26
  5. Step 5: Solve for x
    x = 482,700,507,319.26/996,814.80
  6. Step 6: Final answer
    x = 484,242.92

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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.