Home / 839,632.74-1,158,681.42-457,661.04

Finding the Fourth Proportional to 839,632.74, 1,158,681.42 and 457,661.04

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Solution

The fourth proportional to 839,632.74, 1,158,681.42 and 457,661.04 is: 631,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,632.74 : 1,158,681.42 = 457,661.04 : x
  2. Step 2: Convert to fraction form
    839,632.74/1,158,681.42 = 457,661.04/x
  3. Step 3: Cross multiply
    839,632.74x = 1,158,681.42 × 457,661.04
  4. Step 4: Simplify right side
    839,632.74x = 530,283,343,705.88
  5. Step 5: Solve for x
    x = 530,283,343,705.88/839,632.74
  6. Step 6: Final answer
    x = 631,565.82

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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.