Home / 645,615.30-967,256.55-552,303.30

Finding the Fourth Proportional to 645,615.30, 967,256.55 and 552,303.30

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Solution

The fourth proportional to 645,615.30, 967,256.55 and 552,303.30 is: 827,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,615.30 : 967,256.55 = 552,303.30 : x
  2. Step 2: Convert to fraction form
    645,615.30/967,256.55 = 552,303.30/x
  3. Step 3: Cross multiply
    645,615.30x = 967,256.55 × 552,303.30
  4. Step 4: Simplify right side
    645,615.30x = 534,218,984,511.62
  5. Step 5: Solve for x
    x = 534,218,984,511.62/645,615.30
  6. Step 6: Final answer
    x = 827,457.13

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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.