Home / 693,320-1,039,848.48-337,976.64

Finding the Fourth Proportional to 693,320, 1,039,848.48 and 337,976.64

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Solution

The fourth proportional to 693,320, 1,039,848.48 and 337,976.64 is: 506,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,320 : 1,039,848.48 = 337,976.64 : x
  2. Step 2: Convert to fraction form
    693,320/1,039,848.48 = 337,976.64/x
  3. Step 3: Cross multiply
    693,320x = 1,039,848.48 × 337,976.64
  4. Step 4: Simplify right side
    693,320x = 351,444,495,379.51
  5. Step 5: Solve for x
    x = 351,444,495,379.51/693,320
  6. Step 6: Final answer
    x = 506,900.85

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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.