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Finding the Fourth Proportional to 658,272.06, 908,410.19 and 356,466.06

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Solution

The fourth proportional to 658,272.06, 908,410.19 and 356,466.06 is: 491,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,272.06 : 908,410.19 = 356,466.06 : x
  2. Step 2: Convert to fraction form
    658,272.06/908,410.19 = 356,466.06/x
  3. Step 3: Cross multiply
    658,272.06x = 908,410.19 × 356,466.06
  4. Step 4: Simplify right side
    658,272.06x = 323,817,399,510.82
  5. Step 5: Solve for x
    x = 323,817,399,510.82/658,272.06
  6. Step 6: Final answer
    x = 491,920.32

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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.