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Finding the Fourth Proportional to 675,388.73, 930,955.07 and 457,531.13

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Solution

The fourth proportional to 675,388.73, 930,955.07 and 457,531.13 is: 630,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,388.73 : 930,955.07 = 457,531.13 : x
  2. Step 2: Convert to fraction form
    675,388.73/930,955.07 = 457,531.13/x
  3. Step 3: Cross multiply
    675,388.73x = 930,955.07 × 457,531.13
  4. Step 4: Simplify right side
    675,388.73x = 425,940,922,868.67
  5. Step 5: Solve for x
    x = 425,940,922,868.67/675,388.73
  6. Step 6: Final answer
    x = 630,660.39

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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.