Home / 808,207.72-1,212,267.63-247,242.22

Finding the Fourth Proportional to 808,207.72, 1,212,267.63 and 247,242.22

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Solution

The fourth proportional to 808,207.72, 1,212,267.63 and 247,242.22 is: 370,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,207.72 : 1,212,267.63 = 247,242.22 : x
  2. Step 2: Convert to fraction form
    808,207.72/1,212,267.63 = 247,242.22/x
  3. Step 3: Cross multiply
    808,207.72x = 1,212,267.63 × 247,242.22
  4. Step 4: Simplify right side
    808,207.72x = 299,723,740,075.34
  5. Step 5: Solve for x
    x = 299,723,740,075.34/808,207.72
  6. Step 6: Final answer
    x = 370,849.89

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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.