Home / 495,955.29-684,432.45-302,374.20

Finding the Fourth Proportional to 495,955.29, 684,432.45 and 302,374.20

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Solution

The fourth proportional to 495,955.29, 684,432.45 and 302,374.20 is: 417,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,955.29 : 684,432.45 = 302,374.20 : x
  2. Step 2: Convert to fraction form
    495,955.29/684,432.45 = 302,374.20/x
  3. Step 3: Cross multiply
    495,955.29x = 684,432.45 × 302,374.20
  4. Step 4: Simplify right side
    495,955.29x = 206,954,714,522.79
  5. Step 5: Solve for x
    x = 206,954,714,522.79/495,955.29
  6. Step 6: Final answer
    x = 417,285.02

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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.