Home / 976,632.80-1,465,386.60-443,879.60

Finding the Fourth Proportional to 976,632.80, 1,465,386.60 and 443,879.60

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Solution

The fourth proportional to 976,632.80, 1,465,386.60 and 443,879.60 is: 666,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,632.80 : 1,465,386.60 = 443,879.60 : x
  2. Step 2: Convert to fraction form
    976,632.80/1,465,386.60 = 443,879.60/x
  3. Step 3: Cross multiply
    976,632.80x = 1,465,386.60 × 443,879.60
  4. Step 4: Simplify right side
    976,632.80x = 650,455,217,853.36
  5. Step 5: Solve for x
    x = 650,455,217,853.36/976,632.80
  6. Step 6: Final answer
    x = 666,018.20

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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.