Home / 779,614.80-1,169,422.20-653,643.60

Finding the Fourth Proportional to 779,614.80, 1,169,422.20 and 653,643.60

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Solution

The fourth proportional to 779,614.80, 1,169,422.20 and 653,643.60 is: 980,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,614.80 : 1,169,422.20 = 653,643.60 : x
  2. Step 2: Convert to fraction form
    779,614.80/1,169,422.20 = 653,643.60/x
  3. Step 3: Cross multiply
    779,614.80x = 1,169,422.20 × 653,643.60
  4. Step 4: Simplify right side
    779,614.80x = 764,385,336,727.92
  5. Step 5: Solve for x
    x = 764,385,336,727.92/779,614.80
  6. Step 6: Final answer
    x = 980,465.40

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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.