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Finding the Fourth Proportional to 658,552.32, 908,803.68 and 356,746.32

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Solution

The fourth proportional to 658,552.32, 908,803.68 and 356,746.32 is: 492,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,552.32 : 908,803.68 = 356,746.32 : x
  2. Step 2: Convert to fraction form
    658,552.32/908,803.68 = 356,746.32/x
  3. Step 3: Cross multiply
    658,552.32x = 908,803.68 × 356,746.32
  4. Step 4: Simplify right side
    658,552.32x = 324,212,368,442.46
  5. Step 5: Solve for x
    x = 324,212,368,442.46/658,552.32
  6. Step 6: Final answer
    x = 492,310.72

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Double scale
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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.