Home / 532,325.12-734,619.78-290,617.88

Finding the Fourth Proportional to 532,325.12, 734,619.78 and 290,617.88

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Solution

The fourth proportional to 532,325.12, 734,619.78 and 290,617.88 is: 401,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,325.12 : 734,619.78 = 290,617.88 : x
  2. Step 2: Convert to fraction form
    532,325.12/734,619.78 = 290,617.88/x
  3. Step 3: Cross multiply
    532,325.12x = 734,619.78 × 290,617.88
  4. Step 4: Simplify right side
    532,325.12x = 213,493,643,069.67
  5. Step 5: Solve for x
    x = 213,493,643,069.67/532,325.12
  6. Step 6: Final answer
    x = 401,058.74

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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.