Home / 1,007,280.76-1,390,055.82-548,398.48

Finding the Fourth Proportional to 1,007,280.76, 1,390,055.82 and 548,398.48

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Solution

The fourth proportional to 1,007,280.76, 1,390,055.82 and 548,398.48 is: 756,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,280.76 : 1,390,055.82 = 548,398.48 : x
  2. Step 2: Convert to fraction form
    1,007,280.76/1,390,055.82 = 548,398.48/x
  3. Step 3: Cross multiply
    1,007,280.76x = 1,390,055.82 × 548,398.48
  4. Step 4: Simplify right side
    1,007,280.76x = 762,304,498,803.15
  5. Step 5: Solve for x
    x = 762,304,498,803.15/1,007,280.76
  6. Step 6: Final answer
    x = 756,794.46

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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.