Home / 536,453.04-740,278.64-321,551.36

Finding the Fourth Proportional to 536,453.04, 740,278.64 and 321,551.36

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Solution

The fourth proportional to 536,453.04, 740,278.64 and 321,551.36 is: 443,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,453.04 : 740,278.64 = 321,551.36 : x
  2. Step 2: Convert to fraction form
    536,453.04/740,278.64 = 321,551.36/x
  3. Step 3: Cross multiply
    536,453.04x = 740,278.64 × 321,551.36
  4. Step 4: Simplify right side
    536,453.04x = 238,037,603,470.95
  5. Step 5: Solve for x
    x = 238,037,603,470.95/536,453.04
  6. Step 6: Final answer
    x = 443,724.96

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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.