Home / 977,889.80-1,465,668.30-409,269.80

Finding the Fourth Proportional to 977,889.80, 1,465,668.30 and 409,269.80

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Solution

The fourth proportional to 977,889.80, 1,465,668.30 and 409,269.80 is: 613,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,889.80 : 1,465,668.30 = 409,269.80 : x
  2. Step 2: Convert to fraction form
    977,889.80/1,465,668.30 = 409,269.80/x
  3. Step 3: Cross multiply
    977,889.80x = 1,465,668.30 × 409,269.80
  4. Step 4: Simplify right side
    977,889.80x = 599,853,772,007.34
  5. Step 5: Solve for x
    x = 599,853,772,007.34/977,889.80
  6. Step 6: Final answer
    x = 613,416.53

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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.