Home / 723,328.76-1,085,052.31-363,314.50

Finding the Fourth Proportional to 723,328.76, 1,085,052.31 and 363,314.50

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Solution

The fourth proportional to 723,328.76, 1,085,052.31 and 363,314.50 is: 545,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,328.76 : 1,085,052.31 = 363,314.50 : x
  2. Step 2: Convert to fraction form
    723,328.76/1,085,052.31 = 363,314.50/x
  3. Step 3: Cross multiply
    723,328.76x = 1,085,052.31 × 363,314.50
  4. Step 4: Simplify right side
    723,328.76x = 394,215,233,860.58
  5. Step 5: Solve for x
    x = 394,215,233,860.58/723,328.76
  6. Step 6: Final answer
    x = 545,001.46

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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.