Home / 687,038.14-1,029,506.26-367,235.51

Finding the Fourth Proportional to 687,038.14, 1,029,506.26 and 367,235.51

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Solution

The fourth proportional to 687,038.14, 1,029,506.26 and 367,235.51 is: 550,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,038.14 : 1,029,506.26 = 367,235.51 : x
  2. Step 2: Convert to fraction form
    687,038.14/1,029,506.26 = 367,235.51/x
  3. Step 3: Cross multiply
    687,038.14x = 1,029,506.26 × 367,235.51
  4. Step 4: Simplify right side
    687,038.14x = 378,071,256,439.29
  5. Step 5: Solve for x
    x = 378,071,256,439.29/687,038.14
  6. Step 6: Final answer
    x = 550,291.51

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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.