Home / 495,710.32-743,563.95-140,724.58

Finding the Fourth Proportional to 495,710.32, 743,563.95 and 140,724.58

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Solution

The fourth proportional to 495,710.32, 743,563.95 and 140,724.58 is: 211,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,710.32 : 743,563.95 = 140,724.58 : x
  2. Step 2: Convert to fraction form
    495,710.32/743,563.95 = 140,724.58/x
  3. Step 3: Cross multiply
    495,710.32x = 743,563.95 × 140,724.58
  4. Step 4: Simplify right side
    495,710.32x = 104,637,724,566.89
  5. Step 5: Solve for x
    x = 104,637,724,566.89/495,710.32
  6. Step 6: Final answer
    x = 211,086.44

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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.