Home / 773,035.20-1,159,012.80-457,329.60

Finding the Fourth Proportional to 773,035.20, 1,159,012.80 and 457,329.60

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Solution

The fourth proportional to 773,035.20, 1,159,012.80 and 457,329.60 is: 685,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,035.20 : 1,159,012.80 = 457,329.60 : x
  2. Step 2: Convert to fraction form
    773,035.20/1,159,012.80 = 457,329.60/x
  3. Step 3: Cross multiply
    773,035.20x = 1,159,012.80 × 457,329.60
  4. Step 4: Simplify right side
    773,035.20x = 530,050,860,218.88
  5. Step 5: Solve for x
    x = 530,050,860,218.88/773,035.20
  6. Step 6: Final answer
    x = 685,674.93

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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.