Home / 495,424.86-742,947.12-210,935.04

Finding the Fourth Proportional to 495,424.86, 742,947.12 and 210,935.04

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Solution

The fourth proportional to 495,424.86, 742,947.12 and 210,935.04 is: 316,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,424.86 : 742,947.12 = 210,935.04 : x
  2. Step 2: Convert to fraction form
    495,424.86/742,947.12 = 210,935.04/x
  3. Step 3: Cross multiply
    495,424.86x = 742,947.12 × 210,935.04
  4. Step 4: Simplify right side
    495,424.86x = 156,713,580,475.09
  5. Step 5: Solve for x
    x = 156,713,580,475.09/495,424.86
  6. Step 6: Final answer
    x = 316,321.59

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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.