Home / 880,208.65-1,320,156.90-400,324.05

Finding the Fourth Proportional to 880,208.65, 1,320,156.90 and 400,324.05

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Solution

The fourth proportional to 880,208.65, 1,320,156.90 and 400,324.05 is: 600,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,208.65 : 1,320,156.90 = 400,324.05 : x
  2. Step 2: Convert to fraction form
    880,208.65/1,320,156.90 = 400,324.05/x
  3. Step 3: Cross multiply
    880,208.65x = 1,320,156.90 × 400,324.05
  4. Step 4: Simplify right side
    880,208.65x = 528,490,550,242.66
  5. Step 5: Solve for x
    x = 528,490,550,242.66/880,208.65
  6. Step 6: Final answer
    x = 600,415.08

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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.