Home / 457,401.48-686,730.75-232,912.86

Finding the Fourth Proportional to 457,401.48, 686,730.75 and 232,912.86

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Solution

The fourth proportional to 457,401.48, 686,730.75 and 232,912.86 is: 349,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,401.48 : 686,730.75 = 232,912.86 : x
  2. Step 2: Convert to fraction form
    457,401.48/686,730.75 = 232,912.86/x
  3. Step 3: Cross multiply
    457,401.48x = 686,730.75 × 232,912.86
  4. Step 4: Simplify right side
    457,401.48x = 159,948,423,032.45
  5. Step 5: Solve for x
    x = 159,948,423,032.45/457,401.48
  6. Step 6: Final answer
    x = 349,689.34

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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.