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Finding the Fourth Proportional to 452,871.62, 678,421.65 and 373,024.22

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Solution

The fourth proportional to 452,871.62, 678,421.65 and 373,024.22 is: 558,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,871.62 : 678,421.65 = 373,024.22 : x
  2. Step 2: Convert to fraction form
    452,871.62/678,421.65 = 373,024.22/x
  3. Step 3: Cross multiply
    452,871.62x = 678,421.65 × 373,024.22
  4. Step 4: Simplify right side
    452,871.62x = 253,067,706,822.36
  5. Step 5: Solve for x
    x = 253,067,706,822.36/452,871.62
  6. Step 6: Final answer
    x = 558,806.73

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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.