Home / 668,583.76-1,001,932.80-369,199.12

Finding the Fourth Proportional to 668,583.76, 1,001,932.80 and 369,199.12

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Solution

The fourth proportional to 668,583.76, 1,001,932.80 and 369,199.12 is: 553,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,583.76 : 1,001,932.80 = 369,199.12 : x
  2. Step 2: Convert to fraction form
    668,583.76/1,001,932.80 = 369,199.12/x
  3. Step 3: Cross multiply
    668,583.76x = 1,001,932.80 × 369,199.12
  4. Step 4: Simplify right side
    668,583.76x = 369,912,708,059.14
  5. Step 5: Solve for x
    x = 369,912,708,059.14/668,583.76
  6. Step 6: Final answer
    x = 553,278.03

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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.