Home / 719,377.20-1,078,963.74-245,993.76

Finding the Fourth Proportional to 719,377.20, 1,078,963.74 and 245,993.76

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Solution

The fourth proportional to 719,377.20, 1,078,963.74 and 245,993.76 is: 368,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,377.20 : 1,078,963.74 = 245,993.76 : x
  2. Step 2: Convert to fraction form
    719,377.20/1,078,963.74 = 245,993.76/x
  3. Step 3: Cross multiply
    719,377.20x = 1,078,963.74 × 245,993.76
  4. Step 4: Simplify right side
    719,377.20x = 265,418,347,306.26
  5. Step 5: Solve for x
    x = 265,418,347,306.26/719,377.20
  6. Step 6: Final answer
    x = 368,955.74

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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.