Home / 495,973.26-743,943.42-215,490.51

Finding the Fourth Proportional to 495,973.26, 743,943.42 and 215,490.51

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Solution

The fourth proportional to 495,973.26, 743,943.42 and 215,490.51 is: 323,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,973.26 : 743,943.42 = 215,490.51 : x
  2. Step 2: Convert to fraction form
    495,973.26/743,943.42 = 215,490.51/x
  3. Step 3: Cross multiply
    495,973.26x = 743,943.42 × 215,490.51
  4. Step 4: Simplify right side
    495,973.26x = 160,312,746,986.94
  5. Step 5: Solve for x
    x = 160,312,746,986.94/495,973.26
  6. Step 6: Final answer
    x = 323,228.61

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1.5x scale

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.