Home / 532,491-734,838.84-290,774.04

Finding the Fourth Proportional to 532,491, 734,838.84 and 290,774.04

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Solution

The fourth proportional to 532,491, 734,838.84 and 290,774.04 is: 401,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,491 : 734,838.84 = 290,774.04 : x
  2. Step 2: Convert to fraction form
    532,491/734,838.84 = 290,774.04/x
  3. Step 3: Cross multiply
    532,491x = 734,838.84 × 290,774.04
  4. Step 4: Simplify right side
    532,491x = 213,672,058,255.71
  5. Step 5: Solve for x
    x = 213,672,058,255.71/532,491
  6. Step 6: Final answer
    x = 401,268.86

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1.5x scale

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.