Home / 429,567.28-592,867.48-309,107.32

Finding the Fourth Proportional to 429,567.28, 592,867.48 and 309,107.32

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Solution

The fourth proportional to 429,567.28, 592,867.48 and 309,107.32 is: 426,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,567.28 : 592,867.48 = 309,107.32 : x
  2. Step 2: Convert to fraction form
    429,567.28/592,867.48 = 309,107.32/x
  3. Step 3: Cross multiply
    429,567.28x = 592,867.48 × 309,107.32
  4. Step 4: Simplify right side
    429,567.28x = 183,259,677,857.95
  5. Step 5: Solve for x
    x = 183,259,677,857.95/429,567.28
  6. Step 6: Final answer
    x = 426,614.61

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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.