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Finding the Fourth Proportional to 650,141.12, 975,404.86 and 313,084.32

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Solution

The fourth proportional to 650,141.12, 975,404.86 and 313,084.32 is: 469,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,141.12 : 975,404.86 = 313,084.32 : x
  2. Step 2: Convert to fraction form
    650,141.12/975,404.86 = 313,084.32/x
  3. Step 3: Cross multiply
    650,141.12x = 975,404.86 × 313,084.32
  4. Step 4: Simplify right side
    650,141.12x = 305,383,966,535.08
  5. Step 5: Solve for x
    x = 305,383,966,535.08/650,141.12
  6. Step 6: Final answer
    x = 469,719.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.