Home / 839,817.06-1,158,964.92-472,301.22

Finding the Fourth Proportional to 839,817.06, 1,158,964.92 and 472,301.22

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Solution

The fourth proportional to 839,817.06, 1,158,964.92 and 472,301.22 is: 651,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,817.06 : 1,158,964.92 = 472,301.22 : x
  2. Step 2: Convert to fraction form
    839,817.06/1,158,964.92 = 472,301.22/x
  3. Step 3: Cross multiply
    839,817.06x = 1,158,964.92 × 472,301.22
  4. Step 4: Simplify right side
    839,817.06x = 547,380,545,653.20
  5. Step 5: Solve for x
    x = 547,380,545,653.20/839,817.06
  6. Step 6: Final answer
    x = 651,785.46

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1.5x scale

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.