Home / 873,672.03-1,205,706.20-491,723.55

Finding the Fourth Proportional to 873,672.03, 1,205,706.20 and 491,723.55

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Solution

The fourth proportional to 873,672.03, 1,205,706.20 and 491,723.55 is: 678,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,672.03 : 1,205,706.20 = 491,723.55 : x
  2. Step 2: Convert to fraction form
    873,672.03/1,205,706.20 = 491,723.55/x
  3. Step 3: Cross multiply
    873,672.03x = 1,205,706.20 × 491,723.55
  4. Step 4: Simplify right side
    873,672.03x = 592,874,130,462.39
  5. Step 5: Solve for x
    x = 592,874,130,462.39/873,672.03
  6. Step 6: Final answer
    x = 678,600.33

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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.