Home / 822,187.69-1,233,267.95-245,812.32

Finding the Fourth Proportional to 822,187.69, 1,233,267.95 and 245,812.32

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Solution

The fourth proportional to 822,187.69, 1,233,267.95 and 245,812.32 is: 368,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,187.69 : 1,233,267.95 = 245,812.32 : x
  2. Step 2: Convert to fraction form
    822,187.69/1,233,267.95 = 245,812.32/x
  3. Step 3: Cross multiply
    822,187.69x = 1,233,267.95 × 245,812.32
  4. Step 4: Simplify right side
    822,187.69x = 303,152,458,671.55
  5. Step 5: Solve for x
    x = 303,152,458,671.55/822,187.69
  6. Step 6: Final answer
    x = 368,714.42

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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.