Home / 722,659.50-1,089,068.28-650,700.45

Finding the Fourth Proportional to 722,659.50, 1,089,068.28 and 650,700.45

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Solution

The fourth proportional to 722,659.50, 1,089,068.28 and 650,700.45 is: 980,623.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,659.50 : 1,089,068.28 = 650,700.45 : x
  2. Step 2: Convert to fraction form
    722,659.50/1,089,068.28 = 650,700.45/x
  3. Step 3: Cross multiply
    722,659.50x = 1,089,068.28 × 650,700.45
  4. Step 4: Simplify right side
    722,659.50x = 708,657,219,876.73
  5. Step 5: Solve for x
    x = 708,657,219,876.73/722,659.50
  6. Step 6: Final answer
    x = 980,623.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.