Home / 452,263.77-678,543.08-227,508.21

Finding the Fourth Proportional to 452,263.77, 678,543.08 and 227,508.21

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Solution

The fourth proportional to 452,263.77, 678,543.08 and 227,508.21 is: 341,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,263.77 : 678,543.08 = 227,508.21 : x
  2. Step 2: Convert to fraction form
    452,263.77/678,543.08 = 227,508.21/x
  3. Step 3: Cross multiply
    452,263.77x = 678,543.08 × 227,508.21
  4. Step 4: Simplify right side
    452,263.77x = 154,374,120,401.15
  5. Step 5: Solve for x
    x = 154,374,120,401.15/452,263.77
  6. Step 6: Final answer
    x = 341,336.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.