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Finding the Fourth Proportional to 452,543.40, 678,815.10 and 242,591.40

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Solution

The fourth proportional to 452,543.40, 678,815.10 and 242,591.40 is: 363,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,543.40 : 678,815.10 = 242,591.40 : x
  2. Step 2: Convert to fraction form
    452,543.40/678,815.10 = 242,591.40/x
  3. Step 3: Cross multiply
    452,543.40x = 678,815.10 × 242,591.40
  4. Step 4: Simplify right side
    452,543.40x = 164,674,705,450.14
  5. Step 5: Solve for x
    x = 164,674,705,450.14/452,543.40
  6. Step 6: Final answer
    x = 363,887.10

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Similar ratio
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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.