Home / 637,734.12-880,112.98-351,254.14

Finding the Fourth Proportional to 637,734.12, 880,112.98 and 351,254.14

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Solution

The fourth proportional to 637,734.12, 880,112.98 and 351,254.14 is: 484,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,734.12 : 880,112.98 = 351,254.14 : x
  2. Step 2: Convert to fraction form
    637,734.12/880,112.98 = 351,254.14/x
  3. Step 3: Cross multiply
    637,734.12x = 880,112.98 × 351,254.14
  4. Step 4: Simplify right side
    637,734.12x = 309,143,327,892.74
  5. Step 5: Solve for x
    x = 309,143,327,892.74/637,734.12
  6. Step 6: Final answer
    x = 484,752.69

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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.