Home / 746,147.12-1,029,648.12-423,849.20

Finding the Fourth Proportional to 746,147.12, 1,029,648.12 and 423,849.20

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Solution

The fourth proportional to 746,147.12, 1,029,648.12 and 423,849.20 is: 584,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,147.12 : 1,029,648.12 = 423,849.20 : x
  2. Step 2: Convert to fraction form
    746,147.12/1,029,648.12 = 423,849.20/x
  3. Step 3: Cross multiply
    746,147.12x = 1,029,648.12 × 423,849.20
  4. Step 4: Simplify right side
    746,147.12x = 436,415,531,943.50
  5. Step 5: Solve for x
    x = 436,415,531,943.50/746,147.12
  6. Step 6: Final answer
    x = 584,892.07

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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.