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Finding the Fourth Proportional to 480,543.50, 663,198.90 and 276,602.96

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Solution

The fourth proportional to 480,543.50, 663,198.90 and 276,602.96 is: 381,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,543.50 : 663,198.90 = 276,602.96 : x
  2. Step 2: Convert to fraction form
    480,543.50/663,198.90 = 276,602.96/x
  3. Step 3: Cross multiply
    480,543.50x = 663,198.90 × 276,602.96
  4. Step 4: Simplify right side
    480,543.50x = 183,442,778,808.74
  5. Step 5: Solve for x
    x = 183,442,778,808.74/480,543.50
  6. Step 6: Final answer
    x = 381,740.21

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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.