Home / 839,914.74-1,159,087.86-457,947.90

Finding the Fourth Proportional to 839,914.74, 1,159,087.86 and 457,947.90

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Solution

The fourth proportional to 839,914.74, 1,159,087.86 and 457,947.90 is: 631,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,914.74 : 1,159,087.86 = 457,947.90 : x
  2. Step 2: Convert to fraction form
    839,914.74/1,159,087.86 = 457,947.90/x
  3. Step 3: Cross multiply
    839,914.74x = 1,159,087.86 × 457,947.90
  4. Step 4: Simplify right side
    839,914.74x = 530,801,851,402.49
  5. Step 5: Solve for x
    x = 530,801,851,402.49/839,914.74
  6. Step 6: Final answer
    x = 631,971.11

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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.