Home / 774,580.88-1,069,021.85-435,049.13

Finding the Fourth Proportional to 774,580.88, 1,069,021.85 and 435,049.13

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Solution

The fourth proportional to 774,580.88, 1,069,021.85 and 435,049.13 is: 600,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,580.88 : 1,069,021.85 = 435,049.13 : x
  2. Step 2: Convert to fraction form
    774,580.88/1,069,021.85 = 435,049.13/x
  3. Step 3: Cross multiply
    774,580.88x = 1,069,021.85 × 435,049.13
  4. Step 4: Simplify right side
    774,580.88x = 465,077,018,273.14
  5. Step 5: Solve for x
    x = 465,077,018,273.14/774,580.88
  6. Step 6: Final answer
    x = 600,424.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.