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Finding the Fourth Proportional to 670,972.32, 925,955.92 and 369,166.88

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Solution

The fourth proportional to 670,972.32, 925,955.92 and 369,166.88 is: 509,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,972.32 : 925,955.92 = 369,166.88 : x
  2. Step 2: Convert to fraction form
    670,972.32/925,955.92 = 369,166.88/x
  3. Step 3: Cross multiply
    670,972.32x = 925,955.92 × 369,166.88
  4. Step 4: Simplify right side
    670,972.32x = 341,832,258,003.93
  5. Step 5: Solve for x
    x = 341,832,258,003.93/670,972.32
  6. Step 6: Final answer
    x = 509,458.06

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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.