Home / 839,732.27-1,158,830.55-457,759.35

Finding the Fourth Proportional to 839,732.27, 1,158,830.55 and 457,759.35

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Solution

The fourth proportional to 839,732.27, 1,158,830.55 and 457,759.35 is: 631,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,732.27 : 1,158,830.55 = 457,759.35 : x
  2. Step 2: Convert to fraction form
    839,732.27/1,158,830.55 = 457,759.35/x
  3. Step 3: Cross multiply
    839,732.27x = 1,158,830.55 × 457,759.35
  4. Step 4: Simplify right side
    839,732.27x = 530,465,519,328.14
  5. Step 5: Solve for x
    x = 530,465,519,328.14/839,732.27
  6. Step 6: Final answer
    x = 631,707.92

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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.