Home / 752,578.85-1,038,124.53-480,339.95

Finding the Fourth Proportional to 752,578.85, 1,038,124.53 and 480,339.95

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Solution

The fourth proportional to 752,578.85, 1,038,124.53 and 480,339.95 is: 662,591.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,578.85 : 1,038,124.53 = 480,339.95 : x
  2. Step 2: Convert to fraction form
    752,578.85/1,038,124.53 = 480,339.95/x
  3. Step 3: Cross multiply
    752,578.85x = 1,038,124.53 × 480,339.95
  4. Step 4: Simplify right side
    752,578.85x = 498,652,679,643.35
  5. Step 5: Solve for x
    x = 498,652,679,643.35/752,578.85
  6. Step 6: Final answer
    x = 662,591.94

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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.