Home / 532,581.12-734,963.28-290,865.60

Finding the Fourth Proportional to 532,581.12, 734,963.28 and 290,865.60

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Solution

The fourth proportional to 532,581.12, 734,963.28 and 290,865.60 is: 401,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,581.12 : 734,963.28 = 290,865.60 : x
  2. Step 2: Convert to fraction form
    532,581.12/734,963.28 = 290,865.60/x
  3. Step 3: Cross multiply
    532,581.12x = 734,963.28 × 290,865.60
  4. Step 4: Simplify right side
    532,581.12x = 213,775,535,415.17
  5. Step 5: Solve for x
    x = 213,775,535,415.17/532,581.12
  6. Step 6: Final answer
    x = 401,395.26

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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.