Home / 808,769.61-1,213,406.15-240,153.69

Finding the Fourth Proportional to 808,769.61, 1,213,406.15 and 240,153.69

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Solution

The fourth proportional to 808,769.61, 1,213,406.15 and 240,153.69 is: 360,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,769.61 : 1,213,406.15 = 240,153.69 : x
  2. Step 2: Convert to fraction form
    808,769.61/1,213,406.15 = 240,153.69/x
  3. Step 3: Cross multiply
    808,769.61x = 1,213,406.15 × 240,153.69
  4. Step 4: Simplify right side
    808,769.61x = 291,403,963,190.43
  5. Step 5: Solve for x
    x = 291,403,963,190.43/808,769.61
  6. Step 6: Final answer
    x = 360,305.28

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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.