Home / 495,710.88-742,957.20-229,110.72

Finding the Fourth Proportional to 495,710.88, 742,957.20 and 229,110.72

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Solution

The fourth proportional to 495,710.88, 742,957.20 and 229,110.72 is: 343,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,710.88 : 742,957.20 = 229,110.72 : x
  2. Step 2: Convert to fraction form
    495,710.88/742,957.20 = 229,110.72/x
  3. Step 3: Cross multiply
    495,710.88x = 742,957.20 × 229,110.72
  4. Step 4: Simplify right side
    495,710.88x = 170,219,459,021.18
  5. Step 5: Solve for x
    x = 170,219,459,021.18/495,710.88
  6. Step 6: Final answer
    x = 343,384.55

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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.