Home / 880,206.90-1,320,154.28-400,322.30

Finding the Fourth Proportional to 880,206.90, 1,320,154.28 and 400,322.30

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Solution

The fourth proportional to 880,206.90, 1,320,154.28 and 400,322.30 is: 600,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,206.90 : 1,320,154.28 = 400,322.30 : x
  2. Step 2: Convert to fraction form
    880,206.90/1,320,154.28 = 400,322.30/x
  3. Step 3: Cross multiply
    880,206.90x = 1,320,154.28 × 400,322.30
  4. Step 4: Simplify right side
    880,206.90x = 528,487,189,122.06
  5. Step 5: Solve for x
    x = 528,487,189,122.06/880,206.90
  6. Step 6: Final answer
    x = 600,412.46

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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.