Home / 891,262.50-1,229,948.73-488,854.50

Finding the Fourth Proportional to 891,262.50, 1,229,948.73 and 488,854.50

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Solution

The fourth proportional to 891,262.50, 1,229,948.73 and 488,854.50 is: 674,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,262.50 : 1,229,948.73 = 488,854.50 : x
  2. Step 2: Convert to fraction form
    891,262.50/1,229,948.73 = 488,854.50/x
  3. Step 3: Cross multiply
    891,262.50x = 1,229,948.73 × 488,854.50
  4. Step 4: Simplify right side
    891,262.50x = 601,265,971,429.79
  5. Step 5: Solve for x
    x = 601,265,971,429.79/891,262.50
  6. Step 6: Final answer
    x = 674,622.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.