Home / 839,836.80-1,158,975.36-457,864.32

Finding the Fourth Proportional to 839,836.80, 1,158,975.36 and 457,864.32

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Solution

The fourth proportional to 839,836.80, 1,158,975.36 and 457,864.32 is: 631,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,836.80 : 1,158,975.36 = 457,864.32 : x
  2. Step 2: Convert to fraction form
    839,836.80/1,158,975.36 = 457,864.32/x
  3. Step 3: Cross multiply
    839,836.80x = 1,158,975.36 × 457,864.32
  4. Step 4: Simplify right side
    839,836.80x = 530,653,465,103.16
  5. Step 5: Solve for x
    x = 530,653,465,103.16/839,836.80
  6. Step 6: Final answer
    x = 631,853.08

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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.