Home / 459,354.18-633,937.50-255,450.72

Finding the Fourth Proportional to 459,354.18, 633,937.50 and 255,450.72

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Solution

The fourth proportional to 459,354.18, 633,937.50 and 255,450.72 is: 352,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,354.18 : 633,937.50 = 255,450.72 : x
  2. Step 2: Convert to fraction form
    459,354.18/633,937.50 = 255,450.72/x
  3. Step 3: Cross multiply
    459,354.18x = 633,937.50 × 255,450.72
  4. Step 4: Simplify right side
    459,354.18x = 161,939,790,810
  5. Step 5: Solve for x
    x = 161,939,790,810/459,354.18
  6. Step 6: Final answer
    x = 352,537.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.