Home / 839,674.07-1,158,781.70-477,159.65

Finding the Fourth Proportional to 839,674.07, 1,158,781.70 and 477,159.65

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Solution

The fourth proportional to 839,674.07, 1,158,781.70 and 477,159.65 is: 658,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,674.07 : 1,158,781.70 = 477,159.65 : x
  2. Step 2: Convert to fraction form
    839,674.07/1,158,781.70 = 477,159.65/x
  3. Step 3: Cross multiply
    839,674.07x = 1,158,781.70 × 477,159.65
  4. Step 4: Simplify right side
    839,674.07x = 552,923,865,797.40
  5. Step 5: Solve for x
    x = 552,923,865,797.40/839,674.07
  6. Step 6: Final answer
    x = 658,498.21

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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.