Home / 808,625.20-1,212,937.80-276,066.40

Finding the Fourth Proportional to 808,625.20, 1,212,937.80 and 276,066.40

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Solution

The fourth proportional to 808,625.20, 1,212,937.80 and 276,066.40 is: 414,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,625.20 : 1,212,937.80 = 276,066.40 : x
  2. Step 2: Convert to fraction form
    808,625.20/1,212,937.80 = 276,066.40/x
  3. Step 3: Cross multiply
    808,625.20x = 1,212,937.80 × 276,066.40
  4. Step 4: Simplify right side
    808,625.20x = 334,851,371,869.92
  5. Step 5: Solve for x
    x = 334,851,371,869.92/808,625.20
  6. Step 6: Final answer
    x = 414,099.60

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1.5x scale

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.