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Finding the Fourth Proportional to 575,870.58, 794,273.04 and 422,860.77

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Solution

The fourth proportional to 575,870.58, 794,273.04 and 422,860.77 is: 583,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,870.58 : 794,273.04 = 422,860.77 : x
  2. Step 2: Convert to fraction form
    575,870.58/794,273.04 = 422,860.77/x
  3. Step 3: Cross multiply
    575,870.58x = 794,273.04 × 422,860.77
  4. Step 4: Simplify right side
    575,870.58x = 335,866,909,284.64
  5. Step 5: Solve for x
    x = 335,866,909,284.64/575,870.58
  6. Step 6: Final answer
    x = 583,233.32

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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.