Home / 985,973.51-1,479,123.70-346,111.25

Finding the Fourth Proportional to 985,973.51, 1,479,123.70 and 346,111.25

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Solution

The fourth proportional to 985,973.51, 1,479,123.70 and 346,111.25 is: 519,224.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,973.51 : 1,479,123.70 = 346,111.25 : x
  2. Step 2: Convert to fraction form
    985,973.51/1,479,123.70 = 346,111.25/x
  3. Step 3: Cross multiply
    985,973.51x = 1,479,123.70 × 346,111.25
  4. Step 4: Simplify right side
    985,973.51x = 511,941,344,450.73
  5. Step 5: Solve for x
    x = 511,941,344,450.73/985,973.51
  6. Step 6: Final answer
    x = 519,224.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.