Home / 980,437.67-1,352,794.11-572,354.32

Finding the Fourth Proportional to 980,437.67, 1,352,794.11 and 572,354.32

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Solution

The fourth proportional to 980,437.67, 1,352,794.11 and 572,354.32 is: 789,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,437.67 : 1,352,794.11 = 572,354.32 : x
  2. Step 2: Convert to fraction form
    980,437.67/1,352,794.11 = 572,354.32/x
  3. Step 3: Cross multiply
    980,437.67x = 1,352,794.11 × 572,354.32
  4. Step 4: Simplify right side
    980,437.67x = 774,277,552,929.06
  5. Step 5: Solve for x
    x = 774,277,552,929.06/980,437.67
  6. Step 6: Final answer
    x = 789,726.44

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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.