Home / 808,009.02-1,212,049.98-302,438.41

Finding the Fourth Proportional to 808,009.02, 1,212,049.98 and 302,438.41

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Solution

The fourth proportional to 808,009.02, 1,212,049.98 and 302,438.41 is: 453,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,009.02 : 1,212,049.98 = 302,438.41 : x
  2. Step 2: Convert to fraction form
    808,009.02/1,212,049.98 = 302,438.41/x
  3. Step 3: Cross multiply
    808,009.02x = 1,212,049.98 × 302,438.41
  4. Step 4: Simplify right side
    808,009.02x = 366,570,465,761.61
  5. Step 5: Solve for x
    x = 366,570,465,761.61/808,009.02
  6. Step 6: Final answer
    x = 453,671.25

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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.