Home / 731,271.60-1,096,907.40-665,953.20

Finding the Fourth Proportional to 731,271.60, 1,096,907.40 and 665,953.20

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Solution

The fourth proportional to 731,271.60, 1,096,907.40 and 665,953.20 is: 998,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,271.60 : 1,096,907.40 = 665,953.20 : x
  2. Step 2: Convert to fraction form
    731,271.60/1,096,907.40 = 665,953.20/x
  3. Step 3: Cross multiply
    731,271.60x = 1,096,907.40 × 665,953.20
  4. Step 4: Simplify right side
    731,271.60x = 730,488,993,133.68
  5. Step 5: Solve for x
    x = 730,488,993,133.68/731,271.60
  6. Step 6: Final answer
    x = 998,929.80

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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.