Home / 756,547.50-1,134,525.99-330,213.72

Finding the Fourth Proportional to 756,547.50, 1,134,525.99 and 330,213.72

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Solution

The fourth proportional to 756,547.50, 1,134,525.99 and 330,213.72 is: 495,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,547.50 : 1,134,525.99 = 330,213.72 : x
  2. Step 2: Convert to fraction form
    756,547.50/1,134,525.99 = 330,213.72/x
  3. Step 3: Cross multiply
    756,547.50x = 1,134,525.99 × 330,213.72
  4. Step 4: Simplify right side
    756,547.50x = 374,636,047,594.58
  5. Step 5: Solve for x
    x = 374,636,047,594.58/756,547.50
  6. Step 6: Final answer
    x = 495,191.71

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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.