Home / 965,707.80-1,448,561.70-433,246.20

Finding the Fourth Proportional to 965,707.80, 1,448,561.70 and 433,246.20

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Solution

The fourth proportional to 965,707.80, 1,448,561.70 and 433,246.20 is: 649,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,707.80 : 1,448,561.70 = 433,246.20 : x
  2. Step 2: Convert to fraction form
    965,707.80/1,448,561.70 = 433,246.20/x
  3. Step 3: Cross multiply
    965,707.80x = 1,448,561.70 × 433,246.20
  4. Step 4: Simplify right side
    965,707.80x = 627,583,851,990.54
  5. Step 5: Solve for x
    x = 627,583,851,990.54/965,707.80
  6. Step 6: Final answer
    x = 649,869.30

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Double scale
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Similar ratio
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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.