Home / 740,859.75-1,109,869.65-440,430.75

Finding the Fourth Proportional to 740,859.75, 1,109,869.65 and 440,430.75

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Solution

The fourth proportional to 740,859.75, 1,109,869.65 and 440,430.75 is: 659,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,859.75 : 1,109,869.65 = 440,430.75 : x
  2. Step 2: Convert to fraction form
    740,859.75/1,109,869.65 = 440,430.75/x
  3. Step 3: Cross multiply
    740,859.75x = 1,109,869.65 × 440,430.75
  4. Step 4: Simplify right side
    740,859.75x = 488,820,722,351.74
  5. Step 5: Solve for x
    x = 488,820,722,351.74/740,859.75
  6. Step 6: Final answer
    x = 659,801.97

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1.5x scale

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.