Home / 495,931.80-743,897.70-247,099.80

Finding the Fourth Proportional to 495,931.80, 743,897.70 and 247,099.80

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Solution

The fourth proportional to 495,931.80, 743,897.70 and 247,099.80 is: 370,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,931.80 : 743,897.70 = 247,099.80 : x
  2. Step 2: Convert to fraction form
    495,931.80/743,897.70 = 247,099.80/x
  3. Step 3: Cross multiply
    495,931.80x = 743,897.70 × 247,099.80
  4. Step 4: Simplify right side
    495,931.80x = 183,816,972,890.46
  5. Step 5: Solve for x
    x = 183,816,972,890.46/495,931.80
  6. Step 6: Final answer
    x = 370,649.70

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Similar ratio
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1.5x scale

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.