Home / 906,647.70-1,359,971.55-545,841.30

Finding the Fourth Proportional to 906,647.70, 1,359,971.55 and 545,841.30

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Solution

The fourth proportional to 906,647.70, 1,359,971.55 and 545,841.30 is: 818,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,647.70 : 1,359,971.55 = 545,841.30 : x
  2. Step 2: Convert to fraction form
    906,647.70/1,359,971.55 = 545,841.30/x
  3. Step 3: Cross multiply
    906,647.70x = 1,359,971.55 × 545,841.30
  4. Step 4: Simplify right side
    906,647.70x = 742,328,638,815.02
  5. Step 5: Solve for x
    x = 742,328,638,815.02/906,647.70
  6. Step 6: Final answer
    x = 818,761.95

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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.