Home / 495,788.84-684,104.10-280,884.52

Finding the Fourth Proportional to 495,788.84, 684,104.10 and 280,884.52

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Solution

The fourth proportional to 495,788.84, 684,104.10 and 280,884.52 is: 387,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,788.84 : 684,104.10 = 280,884.52 : x
  2. Step 2: Convert to fraction form
    495,788.84/684,104.10 = 280,884.52/x
  3. Step 3: Cross multiply
    495,788.84x = 684,104.10 × 280,884.52
  4. Step 4: Simplify right side
    495,788.84x = 192,154,251,758.53
  5. Step 5: Solve for x
    x = 192,154,251,758.53/495,788.84
  6. Step 6: Final answer
    x = 387,572.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.