Home / 899,380.40-1,348,897.80-268,314.80

Finding the Fourth Proportional to 899,380.40, 1,348,897.80 and 268,314.80

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Solution

The fourth proportional to 899,380.40, 1,348,897.80 and 268,314.80 is: 402,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,380.40 : 1,348,897.80 = 268,314.80 : x
  2. Step 2: Convert to fraction form
    899,380.40/1,348,897.80 = 268,314.80/x
  3. Step 3: Cross multiply
    899,380.40x = 1,348,897.80 × 268,314.80
  4. Step 4: Simplify right side
    899,380.40x = 361,929,243,427.44
  5. Step 5: Solve for x
    x = 361,929,243,427.44/899,380.40
  6. Step 6: Final answer
    x = 402,420.65

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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.