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Finding the Fourth Proportional to 774,928.62, 1,069,360.38 and 435,375

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Solution

The fourth proportional to 774,928.62, 1,069,360.38 and 435,375 is: 600,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,928.62 : 1,069,360.38 = 435,375 : x
  2. Step 2: Convert to fraction form
    774,928.62/1,069,360.38 = 435,375/x
  3. Step 3: Cross multiply
    774,928.62x = 1,069,360.38 × 435,375
  4. Step 4: Simplify right side
    774,928.62x = 465,572,775,442.50
  5. Step 5: Solve for x
    x = 465,572,775,442.50/774,928.62
  6. Step 6: Final answer
    x = 600,794.40

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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.