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Finding the Fourth Proportional to 658,352.39, 908,526.30 and 356,546.39

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Solution

The fourth proportional to 658,352.39, 908,526.30 and 356,546.39 is: 492,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,352.39 : 908,526.30 = 356,546.39 : x
  2. Step 2: Convert to fraction form
    658,352.39/908,526.30 = 356,546.39/x
  3. Step 3: Cross multiply
    658,352.39x = 908,526.30 × 356,546.39
  4. Step 4: Simplify right side
    658,352.39x = 323,931,772,718.62
  5. Step 5: Solve for x
    x = 323,931,772,718.62/658,352.39
  6. Step 6: Final answer
    x = 492,034.02

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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.