Home / 839,493.93-1,158,467.90-457,512.51

Finding the Fourth Proportional to 839,493.93, 1,158,467.90 and 457,512.51

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Solution

The fourth proportional to 839,493.93, 1,158,467.90 and 457,512.51 is: 631,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,493.93 : 1,158,467.90 = 457,512.51 : x
  2. Step 2: Convert to fraction form
    839,493.93/1,158,467.90 = 457,512.51/x
  3. Step 3: Cross multiply
    839,493.93x = 1,158,467.90 × 457,512.51
  4. Step 4: Simplify right side
    839,493.93x = 530,013,554,395.87
  5. Step 5: Solve for x
    x = 530,013,554,395.87/839,493.93
  6. Step 6: Final answer
    x = 631,348.88

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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.