Home / 729,256.80-1,093,885.20-477,314.40

Finding the Fourth Proportional to 729,256.80, 1,093,885.20 and 477,314.40

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Solution

The fourth proportional to 729,256.80, 1,093,885.20 and 477,314.40 is: 715,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,256.80 : 1,093,885.20 = 477,314.40 : x
  2. Step 2: Convert to fraction form
    729,256.80/1,093,885.20 = 477,314.40/x
  3. Step 3: Cross multiply
    729,256.80x = 1,093,885.20 × 477,314.40
  4. Step 4: Simplify right side
    729,256.80x = 522,127,157,906.88
  5. Step 5: Solve for x
    x = 522,127,157,906.88/729,256.80
  6. Step 6: Final answer
    x = 715,971.60

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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.