Home / 816,089.30-1,224,133.95-808,216.10

Finding the Fourth Proportional to 816,089.30, 1,224,133.95 and 808,216.10

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Solution

The fourth proportional to 816,089.30, 1,224,133.95 and 808,216.10 is: 1,212,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,089.30 : 1,224,133.95 = 808,216.10 : x
  2. Step 2: Convert to fraction form
    816,089.30/1,224,133.95 = 808,216.10/x
  3. Step 3: Cross multiply
    816,089.30x = 1,224,133.95 × 808,216.10
  4. Step 4: Simplify right side
    816,089.30x = 989,364,766,946.60
  5. Step 5: Solve for x
    x = 989,364,766,946.60/816,089.30
  6. Step 6: Final answer
    x = 1,212,324.15

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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.