Home / 730,967.20-1,094,992.80-643,292.80

Finding the Fourth Proportional to 730,967.20, 1,094,992.80 and 643,292.80

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Solution

The fourth proportional to 730,967.20, 1,094,992.80 and 643,292.80 is: 963,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,967.20 : 1,094,992.80 = 643,292.80 : x
  2. Step 2: Convert to fraction form
    730,967.20/1,094,992.80 = 643,292.80/x
  3. Step 3: Cross multiply
    730,967.20x = 1,094,992.80 × 643,292.80
  4. Step 4: Simplify right side
    730,967.20x = 704,400,984,291.84
  5. Step 5: Solve for x
    x = 704,400,984,291.84/730,967.20
  6. Step 6: Final answer
    x = 963,656.08

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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.