Home / 771,573.60-1,158,107.40-372,494.40

Finding the Fourth Proportional to 771,573.60, 1,158,107.40 and 372,494.40

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Solution

The fourth proportional to 771,573.60, 1,158,107.40 and 372,494.40 is: 559,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,573.60 : 1,158,107.40 = 372,494.40 : x
  2. Step 2: Convert to fraction form
    771,573.60/1,158,107.40 = 372,494.40/x
  3. Step 3: Cross multiply
    771,573.60x = 1,158,107.40 × 372,494.40
  4. Step 4: Simplify right side
    771,573.60x = 431,388,515,708.02
  5. Step 5: Solve for x
    x = 431,388,515,708.02/771,573.60
  6. Step 6: Final answer
    x = 559,102.22

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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.