Home / 495,931.40-743,897.10-296,865.80

Finding the Fourth Proportional to 495,931.40, 743,897.10 and 296,865.80

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Solution

The fourth proportional to 495,931.40, 743,897.10 and 296,865.80 is: 445,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,931.40 : 743,897.10 = 296,865.80 : x
  2. Step 2: Convert to fraction form
    495,931.40/743,897.10 = 296,865.80/x
  3. Step 3: Cross multiply
    495,931.40x = 743,897.10 × 296,865.80
  4. Step 4: Simplify right side
    495,931.40x = 220,837,607,709.18
  5. Step 5: Solve for x
    x = 220,837,607,709.18/495,931.40
  6. Step 6: Final answer
    x = 445,298.70

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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.