Home / 779,989.80-1,170,023.10-406,741.80

Finding the Fourth Proportional to 779,989.80, 1,170,023.10 and 406,741.80

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Solution

The fourth proportional to 779,989.80, 1,170,023.10 and 406,741.80 is: 610,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,989.80 : 1,170,023.10 = 406,741.80 : x
  2. Step 2: Convert to fraction form
    779,989.80/1,170,023.10 = 406,741.80/x
  3. Step 3: Cross multiply
    779,989.80x = 1,170,023.10 × 406,741.80
  4. Step 4: Simplify right side
    779,989.80x = 475,897,301,735.58
  5. Step 5: Solve for x
    x = 475,897,301,735.58/779,989.80
  6. Step 6: Final answer
    x = 610,132.72

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Double scale
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1.5x scale

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.