Home / 802,099.20-1,106,482.89-543,888.79

Finding the Fourth Proportional to 802,099.20, 1,106,482.89 and 543,888.79

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Solution

The fourth proportional to 802,099.20, 1,106,482.89 and 543,888.79 is: 750,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,099.20 : 1,106,482.89 = 543,888.79 : x
  2. Step 2: Convert to fraction form
    802,099.20/1,106,482.89 = 543,888.79/x
  3. Step 3: Cross multiply
    802,099.20x = 1,106,482.89 × 543,888.79
  4. Step 4: Simplify right side
    802,099.20x = 601,803,640,197.80
  5. Step 5: Solve for x
    x = 601,803,640,197.80/802,099.20
  6. Step 6: Final answer
    x = 750,285.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.