Home / 747,401.19-1,120,558.65-297,987.27

Finding the Fourth Proportional to 747,401.19, 1,120,558.65 and 297,987.27

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Solution

The fourth proportional to 747,401.19, 1,120,558.65 and 297,987.27 is: 446,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,401.19 : 1,120,558.65 = 297,987.27 : x
  2. Step 2: Convert to fraction form
    747,401.19/1,120,558.65 = 297,987.27/x
  3. Step 3: Cross multiply
    747,401.19x = 1,120,558.65 × 297,987.27
  4. Step 4: Simplify right side
    747,401.19x = 333,912,212,988.39
  5. Step 5: Solve for x
    x = 333,912,212,988.39/747,401.19
  6. Step 6: Final answer
    x = 446,764.36

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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.