Home / 687,207.84-1,030,559.04-237,813.36

Finding the Fourth Proportional to 687,207.84, 1,030,559.04 and 237,813.36

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Solution

The fourth proportional to 687,207.84, 1,030,559.04 and 237,813.36 is: 356,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,207.84 : 1,030,559.04 = 237,813.36 : x
  2. Step 2: Convert to fraction form
    687,207.84/1,030,559.04 = 237,813.36/x
  3. Step 3: Cross multiply
    687,207.84x = 1,030,559.04 × 237,813.36
  4. Step 4: Simplify right side
    687,207.84x = 245,080,707,980.77
  5. Step 5: Solve for x
    x = 245,080,707,980.77/687,207.84
  6. Step 6: Final answer
    x = 356,632.58

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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.