Home / 839,669.55-1,158,744.02-457,696.34

Finding the Fourth Proportional to 839,669.55, 1,158,744.02 and 457,696.34

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Solution

The fourth proportional to 839,669.55, 1,158,744.02 and 457,696.34 is: 631,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,669.55 : 1,158,744.02 = 457,696.34 : x
  2. Step 2: Convert to fraction form
    839,669.55/1,158,744.02 = 457,696.34/x
  3. Step 3: Cross multiply
    839,669.55x = 1,158,744.02 × 457,696.34
  4. Step 4: Simplify right side
    839,669.55x = 530,352,888,868.69
  5. Step 5: Solve for x
    x = 530,352,888,868.69/839,669.55
  6. Step 6: Final answer
    x = 631,620.96

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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.