Home / 979,422.38-1,351,602.90-549,702.52

Finding the Fourth Proportional to 979,422.38, 1,351,602.90 and 549,702.52

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Solution

The fourth proportional to 979,422.38, 1,351,602.90 and 549,702.52 is: 758,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,422.38 : 1,351,602.90 = 549,702.52 : x
  2. Step 2: Convert to fraction form
    979,422.38/1,351,602.90 = 549,702.52/x
  3. Step 3: Cross multiply
    979,422.38x = 1,351,602.90 × 549,702.52
  4. Step 4: Simplify right side
    979,422.38x = 742,979,520,169.31
  5. Step 5: Solve for x
    x = 742,979,520,169.31/979,422.38
  6. Step 6: Final answer
    x = 758,589.49

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1.5x scale

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.