Home / 872,334.06-1,203,674.28-485,098.71

Finding the Fourth Proportional to 872,334.06, 1,203,674.28 and 485,098.71

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Solution

The fourth proportional to 872,334.06, 1,203,674.28 and 485,098.71 is: 669,354.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,334.06 : 1,203,674.28 = 485,098.71 : x
  2. Step 2: Convert to fraction form
    872,334.06/1,203,674.28 = 485,098.71/x
  3. Step 3: Cross multiply
    872,334.06x = 1,203,674.28 × 485,098.71
  4. Step 4: Simplify right side
    872,334.06x = 583,900,840,488.18
  5. Step 5: Solve for x
    x = 583,900,840,488.18/872,334.06
  6. Step 6: Final answer
    x = 669,354.63

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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.