Home / 661,489.23-913,246.46-416,683.84

Finding the Fourth Proportional to 661,489.23, 913,246.46 and 416,683.84

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Solution

The fourth proportional to 661,489.23, 913,246.46 and 416,683.84 is: 575,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,489.23 : 913,246.46 = 416,683.84 : x
  2. Step 2: Convert to fraction form
    661,489.23/913,246.46 = 416,683.84/x
  3. Step 3: Cross multiply
    661,489.23x = 913,246.46 × 416,683.84
  4. Step 4: Simplify right side
    661,489.23x = 380,535,041,819.21
  5. Step 5: Solve for x
    x = 380,535,041,819.21/661,489.23
  6. Step 6: Final answer
    x = 575,270.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.