Home / 646,360.48-891,521.40-560,163.52

Finding the Fourth Proportional to 646,360.48, 891,521.40 and 560,163.52

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Solution

The fourth proportional to 646,360.48, 891,521.40 and 560,163.52 is: 772,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,360.48 : 891,521.40 = 560,163.52 : x
  2. Step 2: Convert to fraction form
    646,360.48/891,521.40 = 560,163.52/x
  3. Step 3: Cross multiply
    646,360.48x = 891,521.40 × 560,163.52
  4. Step 4: Simplify right side
    646,360.48x = 499,397,765,579.33
  5. Step 5: Solve for x
    x = 499,397,765,579.33/646,360.48
  6. Step 6: Final answer
    x = 772,630.41

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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.