Home / 495,931.40-743,897.10-329,719.40

Finding the Fourth Proportional to 495,931.40, 743,897.10 and 329,719.40

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Solution

The fourth proportional to 495,931.40, 743,897.10 and 329,719.40 is: 494,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,931.40 : 743,897.10 = 329,719.40 : x
  2. Step 2: Convert to fraction form
    495,931.40/743,897.10 = 329,719.40/x
  3. Step 3: Cross multiply
    495,931.40x = 743,897.10 × 329,719.40
  4. Step 4: Simplify right side
    495,931.40x = 245,277,305,473.74
  5. Step 5: Solve for x
    x = 245,277,305,473.74/495,931.40
  6. Step 6: Final answer
    x = 494,579.10

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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.