Home / 680,473.32-1,020,857.59-207,146.38

Finding the Fourth Proportional to 680,473.32, 1,020,857.59 and 207,146.38

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Solution

The fourth proportional to 680,473.32, 1,020,857.59 and 207,146.38 is: 310,764.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,473.32 : 1,020,857.59 = 207,146.38 : x
  2. Step 2: Convert to fraction form
    680,473.32/1,020,857.59 = 207,146.38/x
  3. Step 3: Cross multiply
    680,473.32x = 1,020,857.59 × 207,146.38
  4. Step 4: Simplify right side
    680,473.32x = 211,466,949,159.74
  5. Step 5: Solve for x
    x = 211,466,949,159.74/680,473.32
  6. Step 6: Final answer
    x = 310,764.50

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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.