Home / 835,984.80-1,253,458.80-480,823.20

Finding the Fourth Proportional to 835,984.80, 1,253,458.80 and 480,823.20

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Solution

The fourth proportional to 835,984.80, 1,253,458.80 and 480,823.20 is: 720,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,984.80 : 1,253,458.80 = 480,823.20 : x
  2. Step 2: Convert to fraction form
    835,984.80/1,253,458.80 = 480,823.20/x
  3. Step 3: Cross multiply
    835,984.80x = 1,253,458.80 × 480,823.20
  4. Step 4: Simplify right side
    835,984.80x = 602,692,071,284.16
  5. Step 5: Solve for x
    x = 602,692,071,284.16/835,984.80
  6. Step 6: Final answer
    x = 720,936.64

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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.