Home / 808,768.59-1,213,109.15-247,804.71

Finding the Fourth Proportional to 808,768.59, 1,213,109.15 and 247,804.71

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Solution

The fourth proportional to 808,768.59, 1,213,109.15 and 247,804.71 is: 371,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,768.59 : 1,213,109.15 = 247,804.71 : x
  2. Step 2: Convert to fraction form
    808,768.59/1,213,109.15 = 247,804.71/x
  3. Step 3: Cross multiply
    808,768.59x = 1,213,109.15 × 247,804.71
  4. Step 4: Simplify right side
    808,768.59x = 300,614,159,875.07
  5. Step 5: Solve for x
    x = 300,614,159,875.07/808,768.59
  6. Step 6: Final answer
    x = 371,693.66

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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.