Home / 910,509.60-1,365,764.40-722,503.20

Finding the Fourth Proportional to 910,509.60, 1,365,764.40 and 722,503.20

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Solution

The fourth proportional to 910,509.60, 1,365,764.40 and 722,503.20 is: 1,083,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,509.60 : 1,365,764.40 = 722,503.20 : x
  2. Step 2: Convert to fraction form
    910,509.60/1,365,764.40 = 722,503.20/x
  3. Step 3: Cross multiply
    910,509.60x = 1,365,764.40 × 722,503.20
  4. Step 4: Simplify right side
    910,509.60x = 986,769,149,446.08
  5. Step 5: Solve for x
    x = 986,769,149,446.08/910,509.60
  6. Step 6: Final answer
    x = 1,083,754.80

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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.