Home / 839,675.16-1,158,709.86-477,051.12

Finding the Fourth Proportional to 839,675.16, 1,158,709.86 and 477,051.12

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Solution

The fourth proportional to 839,675.16, 1,158,709.86 and 477,051.12 is: 658,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,675.16 : 1,158,709.86 = 477,051.12 : x
  2. Step 2: Convert to fraction form
    839,675.16/1,158,709.86 = 477,051.12/x
  3. Step 3: Cross multiply
    839,675.16x = 1,158,709.86 × 477,051.12
  4. Step 4: Simplify right side
    839,675.16x = 552,763,836,468.04
  5. Step 5: Solve for x
    x = 552,763,836,468.04/839,675.16
  6. Step 6: Final answer
    x = 658,306.76

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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.