Home / 862,267.51-1,293,954.85-578,278.74

Finding the Fourth Proportional to 862,267.51, 1,293,954.85 and 578,278.74

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Solution

The fourth proportional to 862,267.51, 1,293,954.85 and 578,278.74 is: 867,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,267.51 : 1,293,954.85 = 578,278.74 : x
  2. Step 2: Convert to fraction form
    862,267.51/1,293,954.85 = 578,278.74/x
  3. Step 3: Cross multiply
    862,267.51x = 1,293,954.85 × 578,278.74
  4. Step 4: Simplify right side
    862,267.51x = 748,266,585,850.07
  5. Step 5: Solve for x
    x = 748,266,585,850.07/862,267.51
  6. Step 6: Final answer
    x = 867,789.38

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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.