Home / 729,023.80-1,093,535.70-666,038.20

Finding the Fourth Proportional to 729,023.80, 1,093,535.70 and 666,038.20

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Solution

The fourth proportional to 729,023.80, 1,093,535.70 and 666,038.20 is: 999,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,023.80 : 1,093,535.70 = 666,038.20 : x
  2. Step 2: Convert to fraction form
    729,023.80/1,093,535.70 = 666,038.20/x
  3. Step 3: Cross multiply
    729,023.80x = 1,093,535.70 × 666,038.20
  4. Step 4: Simplify right side
    729,023.80x = 728,336,549,263.74
  5. Step 5: Solve for x
    x = 728,336,549,263.74/729,023.80
  6. Step 6: Final answer
    x = 999,057.30

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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.