Home / 808,214.40-1,214,071.20-778,471.20

Finding the Fourth Proportional to 808,214.40, 1,214,071.20 and 778,471.20

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Solution

The fourth proportional to 808,214.40, 1,214,071.20 and 778,471.20 is: 1,169,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,214.40 : 1,214,071.20 = 778,471.20 : x
  2. Step 2: Convert to fraction form
    808,214.40/1,214,071.20 = 778,471.20/x
  3. Step 3: Cross multiply
    808,214.40x = 1,214,071.20 × 778,471.20
  4. Step 4: Simplify right side
    808,214.40x = 945,119,463,949.44
  5. Step 5: Solve for x
    x = 945,119,463,949.44/808,214.40
  6. Step 6: Final answer
    x = 1,169,392.01

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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.