Home / 772,972.80-1,159,459.20-648,556.80

Finding the Fourth Proportional to 772,972.80, 1,159,459.20 and 648,556.80

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Solution

The fourth proportional to 772,972.80, 1,159,459.20 and 648,556.80 is: 972,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,972.80 : 1,159,459.20 = 648,556.80 : x
  2. Step 2: Convert to fraction form
    772,972.80/1,159,459.20 = 648,556.80/x
  3. Step 3: Cross multiply
    772,972.80x = 1,159,459.20 × 648,556.80
  4. Step 4: Simplify right side
    772,972.80x = 751,975,148,482.56
  5. Step 5: Solve for x
    x = 751,975,148,482.56/772,972.80
  6. Step 6: Final answer
    x = 972,835.20

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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.