Home / 747,401.80-1,120,559.58-297,987.88

Finding the Fourth Proportional to 747,401.80, 1,120,559.58 and 297,987.88

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Solution

The fourth proportional to 747,401.80, 1,120,559.58 and 297,987.88 is: 446,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,401.80 : 1,120,559.58 = 297,987.88 : x
  2. Step 2: Convert to fraction form
    747,401.80/1,120,559.58 = 297,987.88/x
  3. Step 3: Cross multiply
    747,401.80x = 1,120,559.58 × 297,987.88
  4. Step 4: Simplify right side
    747,401.80x = 333,913,173,657.89
  5. Step 5: Solve for x
    x = 333,913,173,657.89/747,401.80
  6. Step 6: Final answer
    x = 446,765.28

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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.