Home / 788,661.70-1,182,992.55-536,719.30

Finding the Fourth Proportional to 788,661.70, 1,182,992.55 and 536,719.30

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Solution

The fourth proportional to 788,661.70, 1,182,992.55 and 536,719.30 is: 805,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,661.70 : 1,182,992.55 = 536,719.30 : x
  2. Step 2: Convert to fraction form
    788,661.70/1,182,992.55 = 536,719.30/x
  3. Step 3: Cross multiply
    788,661.70x = 1,182,992.55 × 536,719.30
  4. Step 4: Simplify right side
    788,661.70x = 634,934,933,341.22
  5. Step 5: Solve for x
    x = 634,934,933,341.22/788,661.70
  6. Step 6: Final answer
    x = 805,078.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.