Home / 560,972.40-774,146.12-319,273.36

Finding the Fourth Proportional to 560,972.40, 774,146.12 and 319,273.36

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Solution

The fourth proportional to 560,972.40, 774,146.12 and 319,273.36 is: 440,599.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,972.40 : 774,146.12 = 319,273.36 : x
  2. Step 2: Convert to fraction form
    560,972.40/774,146.12 = 319,273.36/x
  3. Step 3: Cross multiply
    560,972.40x = 774,146.12 × 319,273.36
  4. Step 4: Simplify right side
    560,972.40x = 247,164,232,863.36
  5. Step 5: Solve for x
    x = 247,164,232,863.36/560,972.40
  6. Step 6: Final answer
    x = 440,599.63

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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.