Home / 698,702.10-1,047,659.45-243,084.39

Finding the Fourth Proportional to 698,702.10, 1,047,659.45 and 243,084.39

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Solution

The fourth proportional to 698,702.10, 1,047,659.45 and 243,084.39 is: 364,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,702.10 : 1,047,659.45 = 243,084.39 : x
  2. Step 2: Convert to fraction form
    698,702.10/1,047,659.45 = 243,084.39/x
  3. Step 3: Cross multiply
    698,702.10x = 1,047,659.45 × 243,084.39
  4. Step 4: Simplify right side
    698,702.10x = 254,669,657,115.56
  5. Step 5: Solve for x
    x = 254,669,657,115.56/698,702.10
  6. Step 6: Final answer
    x = 364,489.61

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Double scale
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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.