Home / 832,306.72-1,247,710.56-299,453.12

Finding the Fourth Proportional to 832,306.72, 1,247,710.56 and 299,453.12

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Solution

The fourth proportional to 832,306.72, 1,247,710.56 and 299,453.12 is: 448,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,306.72 : 1,247,710.56 = 299,453.12 : x
  2. Step 2: Convert to fraction form
    832,306.72/1,247,710.56 = 299,453.12/x
  3. Step 3: Cross multiply
    832,306.72x = 1,247,710.56 × 299,453.12
  4. Step 4: Simplify right side
    832,306.72x = 373,630,820,048.95
  5. Step 5: Solve for x
    x = 373,630,820,048.95/832,306.72
  6. Step 6: Final answer
    x = 448,910.01

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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.