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Finding the Fourth Proportional to 561,567.96, 774,964.44 and 306,919.44

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Solution

The fourth proportional to 561,567.96, 774,964.44 and 306,919.44 is: 423,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,567.96 : 774,964.44 = 306,919.44 : x
  2. Step 2: Convert to fraction form
    561,567.96/774,964.44 = 306,919.44/x
  3. Step 3: Cross multiply
    561,567.96x = 774,964.44 × 306,919.44
  4. Step 4: Simplify right side
    561,567.96x = 237,851,651,944.71
  5. Step 5: Solve for x
    x = 237,851,651,944.71/561,567.96
  6. Step 6: Final answer
    x = 423,549.19

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1.5x scale

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.