Home / 979,702.08-1,351,983.48-549,982.08

Finding the Fourth Proportional to 979,702.08, 1,351,983.48 and 549,982.08

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Solution

The fourth proportional to 979,702.08, 1,351,983.48 and 549,982.08 is: 758,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,702.08 : 1,351,983.48 = 549,982.08 : x
  2. Step 2: Convert to fraction form
    979,702.08/1,351,983.48 = 549,982.08/x
  3. Step 3: Cross multiply
    979,702.08x = 1,351,983.48 × 549,982.08
  4. Step 4: Simplify right side
    979,702.08x = 743,566,686,456.04
  5. Step 5: Solve for x
    x = 743,566,686,456.04/979,702.08
  6. Step 6: Final answer
    x = 758,972.24

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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.