Home / 914,615.20-1,371,922.80-283,722.40

Finding the Fourth Proportional to 914,615.20, 1,371,922.80 and 283,722.40

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Solution

The fourth proportional to 914,615.20, 1,371,922.80 and 283,722.40 is: 425,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,615.20 : 1,371,922.80 = 283,722.40 : x
  2. Step 2: Convert to fraction form
    914,615.20/1,371,922.80 = 283,722.40/x
  3. Step 3: Cross multiply
    914,615.20x = 1,371,922.80 × 283,722.40
  4. Step 4: Simplify right side
    914,615.20x = 389,245,229,430.72
  5. Step 5: Solve for x
    x = 389,245,229,430.72/914,615.20
  6. Step 6: Final answer
    x = 425,583.60

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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.