Home / 706,702.38-1,060,403.84-280,229.06

Finding the Fourth Proportional to 706,702.38, 1,060,403.84 and 280,229.06

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Solution

The fourth proportional to 706,702.38, 1,060,403.84 and 280,229.06 is: 420,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,702.38 : 1,060,403.84 = 280,229.06 : x
  2. Step 2: Convert to fraction form
    706,702.38/1,060,403.84 = 280,229.06/x
  3. Step 3: Cross multiply
    706,702.38x = 1,060,403.84 × 280,229.06
  4. Step 4: Simplify right side
    706,702.38x = 297,155,971,303.59
  5. Step 5: Solve for x
    x = 297,155,971,303.59/706,702.38
  6. Step 6: Final answer
    x = 420,482.48

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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.