Home / 830,222.01-1,244,121.21-368,042.40

Finding the Fourth Proportional to 830,222.01, 1,244,121.21 and 368,042.40

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Solution

The fourth proportional to 830,222.01, 1,244,121.21 and 368,042.40 is: 551,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,222.01 : 1,244,121.21 = 368,042.40 : x
  2. Step 2: Convert to fraction form
    830,222.01/1,244,121.21 = 368,042.40/x
  3. Step 3: Cross multiply
    830,222.01x = 1,244,121.21 × 368,042.40
  4. Step 4: Simplify right side
    830,222.01x = 457,889,356,019.30
  5. Step 5: Solve for x
    x = 457,889,356,019.30/830,222.01
  6. Step 6: Final answer
    x = 551,526.40

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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.