Home / 495,660.39-684,045.18-280,802.22

Finding the Fourth Proportional to 495,660.39, 684,045.18 and 280,802.22

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Solution

The fourth proportional to 495,660.39, 684,045.18 and 280,802.22 is: 387,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,660.39 : 684,045.18 = 280,802.22 : x
  2. Step 2: Convert to fraction form
    495,660.39/684,045.18 = 280,802.22/x
  3. Step 3: Cross multiply
    495,660.39x = 684,045.18 × 280,802.22
  4. Step 4: Simplify right side
    495,660.39x = 192,081,405,124.30
  5. Step 5: Solve for x
    x = 192,081,405,124.30/495,660.39
  6. Step 6: Final answer
    x = 387,526.24

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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.