Home / 963,605.70-1,445,408.55-515,708.10

Finding the Fourth Proportional to 963,605.70, 1,445,408.55 and 515,708.10

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Solution

The fourth proportional to 963,605.70, 1,445,408.55 and 515,708.10 is: 773,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,605.70 : 1,445,408.55 = 515,708.10 : x
  2. Step 2: Convert to fraction form
    963,605.70/1,445,408.55 = 515,708.10/x
  3. Step 3: Cross multiply
    963,605.70x = 1,445,408.55 × 515,708.10
  4. Step 4: Simplify right side
    963,605.70x = 745,408,897,044.26
  5. Step 5: Solve for x
    x = 745,408,897,044.26/963,605.70
  6. Step 6: Final answer
    x = 773,562.15

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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.