Home / 656,904.42-906,559.18-370,418.36

Finding the Fourth Proportional to 656,904.42, 906,559.18 and 370,418.36

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Solution

The fourth proportional to 656,904.42, 906,559.18 and 370,418.36 is: 511,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,904.42 : 906,559.18 = 370,418.36 : x
  2. Step 2: Convert to fraction form
    656,904.42/906,559.18 = 370,418.36/x
  3. Step 3: Cross multiply
    656,904.42x = 906,559.18 × 370,418.36
  4. Step 4: Simplify right side
    656,904.42x = 335,806,159,239.70
  5. Step 5: Solve for x
    x = 335,806,159,239.70/656,904.42
  6. Step 6: Final answer
    x = 511,194.85

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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.