Home / 748,398.76-1,122,085.72-268,615.90

Finding the Fourth Proportional to 748,398.76, 1,122,085.72 and 268,615.90

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Solution

The fourth proportional to 748,398.76, 1,122,085.72 and 268,615.90 is: 402,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,398.76 : 1,122,085.72 = 268,615.90 : x
  2. Step 2: Convert to fraction form
    748,398.76/1,122,085.72 = 268,615.90/x
  3. Step 3: Cross multiply
    748,398.76x = 1,122,085.72 × 268,615.90
  4. Step 4: Simplify right side
    748,398.76x = 301,410,065,554.95
  5. Step 5: Solve for x
    x = 301,410,065,554.95/748,398.76
  6. Step 6: Final answer
    x = 402,739.93

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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.