Home / 497,289.15-746,455.43-440,724.90

Finding the Fourth Proportional to 497,289.15, 746,455.43 and 440,724.90

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Solution

The fourth proportional to 497,289.15, 746,455.43 and 440,724.90 is: 661,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,289.15 : 746,455.43 = 440,724.90 : x
  2. Step 2: Convert to fraction form
    497,289.15/746,455.43 = 440,724.90/x
  3. Step 3: Cross multiply
    497,289.15x = 746,455.43 × 440,724.90
  4. Step 4: Simplify right side
    497,289.15x = 328,981,492,537.58
  5. Step 5: Solve for x
    x = 328,981,492,537.58/497,289.15
  6. Step 6: Final answer
    x = 661,549.71

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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.