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Finding the Fourth Proportional to 558,254.32, 770,382.48 and 303,599.68

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Solution

The fourth proportional to 558,254.32, 770,382.48 and 303,599.68 is: 418,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,254.32 : 770,382.48 = 303,599.68 : x
  2. Step 2: Convert to fraction form
    558,254.32/770,382.48 = 303,599.68/x
  3. Step 3: Cross multiply
    558,254.32x = 770,382.48 × 303,599.68
  4. Step 4: Simplify right side
    558,254.32x = 233,887,874,405.61
  5. Step 5: Solve for x
    x = 233,887,874,405.61/558,254.32
  6. Step 6: Final answer
    x = 418,962.95

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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.