Home / 903,100.40-1,354,607.40-304,002.80

Finding the Fourth Proportional to 903,100.40, 1,354,607.40 and 304,002.80

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Solution

The fourth proportional to 903,100.40, 1,354,607.40 and 304,002.80 is: 455,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,100.40 : 1,354,607.40 = 304,002.80 : x
  2. Step 2: Convert to fraction form
    903,100.40/1,354,607.40 = 304,002.80/x
  3. Step 3: Cross multiply
    903,100.40x = 1,354,607.40 × 304,002.80
  4. Step 4: Simplify right side
    903,100.40x = 411,804,442,500.72
  5. Step 5: Solve for x
    x = 411,804,442,500.72/903,100.40
  6. Step 6: Final answer
    x = 455,989.66

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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.