Home / 638,073.45-880,580.03-351,593.19

Finding the Fourth Proportional to 638,073.45, 880,580.03 and 351,593.19

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Solution

The fourth proportional to 638,073.45, 880,580.03 and 351,593.19 is: 485,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,073.45 : 880,580.03 = 351,593.19 : x
  2. Step 2: Convert to fraction form
    638,073.45/880,580.03 = 351,593.19/x
  3. Step 3: Cross multiply
    638,073.45x = 880,580.03 × 351,593.19
  4. Step 4: Simplify right side
    638,073.45x = 309,605,941,798.00
  5. Step 5: Solve for x
    x = 309,605,941,798.00/638,073.45
  6. Step 6: Final answer
    x = 485,219.91

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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.