Home / 774,948.59-1,069,056.66-667,331.80

Finding the Fourth Proportional to 774,948.59, 1,069,056.66 and 667,331.80

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Solution

The fourth proportional to 774,948.59, 1,069,056.66 and 667,331.80 is: 920,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,948.59 : 1,069,056.66 = 667,331.80 : x
  2. Step 2: Convert to fraction form
    774,948.59/1,069,056.66 = 667,331.80/x
  3. Step 3: Cross multiply
    774,948.59x = 1,069,056.66 × 667,331.80
  4. Step 4: Simplify right side
    774,948.59x = 713,415,499,874.51
  5. Step 5: Solve for x
    x = 713,415,499,874.51/774,948.59
  6. Step 6: Final answer
    x = 920,597.20

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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.