Home / 532,412.98-734,643.24-314,591.36

Finding the Fourth Proportional to 532,412.98, 734,643.24 and 314,591.36

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Solution

The fourth proportional to 532,412.98, 734,643.24 and 314,591.36 is: 434,084.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,412.98 : 734,643.24 = 314,591.36 : x
  2. Step 2: Convert to fraction form
    532,412.98/734,643.24 = 314,591.36/x
  3. Step 3: Cross multiply
    532,412.98x = 734,643.24 × 314,591.36
  4. Step 4: Simplify right side
    532,412.98x = 231,112,415,986.41
  5. Step 5: Solve for x
    x = 231,112,415,986.41/532,412.98
  6. Step 6: Final answer
    x = 434,084.86

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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.