Home / 798,647.65-1,102,126.80-436,069.78

Finding the Fourth Proportional to 798,647.65, 1,102,126.80 and 436,069.78

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Solution

The fourth proportional to 798,647.65, 1,102,126.80 and 436,069.78 is: 601,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,647.65 : 1,102,126.80 = 436,069.78 : x
  2. Step 2: Convert to fraction form
    798,647.65/1,102,126.80 = 436,069.78/x
  3. Step 3: Cross multiply
    798,647.65x = 1,102,126.80 × 436,069.78
  4. Step 4: Simplify right side
    798,647.65x = 480,604,190,088.05
  5. Step 5: Solve for x
    x = 480,604,190,088.05/798,647.65
  6. Step 6: Final answer
    x = 601,772.50

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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.