Home / 650,730.21-974,824.10-448,290.55

Finding the Fourth Proportional to 650,730.21, 974,824.10 and 448,290.55

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Solution

The fourth proportional to 650,730.21, 974,824.10 and 448,290.55 is: 671,560.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,730.21 : 974,824.10 = 448,290.55 : x
  2. Step 2: Convert to fraction form
    650,730.21/974,824.10 = 448,290.55/x
  3. Step 3: Cross multiply
    650,730.21x = 974,824.10 × 448,290.55
  4. Step 4: Simplify right side
    650,730.21x = 437,004,432,600.42
  5. Step 5: Solve for x
    x = 437,004,432,600.42/650,730.21
  6. Step 6: Final answer
    x = 671,560.08

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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.