Home / 839,675.79-1,158,710.73-477,051.75

Finding the Fourth Proportional to 839,675.79, 1,158,710.73 and 477,051.75

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Solution

The fourth proportional to 839,675.79, 1,158,710.73 and 477,051.75 is: 658,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,675.79 : 1,158,710.73 = 477,051.75 : x
  2. Step 2: Convert to fraction form
    839,675.79/1,158,710.73 = 477,051.75/x
  3. Step 3: Cross multiply
    839,675.79x = 1,158,710.73 × 477,051.75
  4. Step 4: Simplify right side
    839,675.79x = 552,764,986,314.45
  5. Step 5: Solve for x
    x = 552,764,986,314.45/839,675.79
  6. Step 6: Final answer
    x = 658,307.64

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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.