Home / 708,291.89-977,414.27-385,995.07

Finding the Fourth Proportional to 708,291.89, 977,414.27 and 385,995.07

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Solution

The fourth proportional to 708,291.89, 977,414.27 and 385,995.07 is: 532,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,291.89 : 977,414.27 = 385,995.07 : x
  2. Step 2: Convert to fraction form
    708,291.89/977,414.27 = 385,995.07/x
  3. Step 3: Cross multiply
    708,291.89x = 977,414.27 × 385,995.07
  4. Step 4: Simplify right side
    708,291.89x = 377,277,084,680.58
  5. Step 5: Solve for x
    x = 377,277,084,680.58/708,291.89
  6. Step 6: Final answer
    x = 532,657.64

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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.