Home / 668,559.76-1,001,896.80-369,175.12

Finding the Fourth Proportional to 668,559.76, 1,001,896.80 and 369,175.12

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Solution

The fourth proportional to 668,559.76, 1,001,896.80 and 369,175.12 is: 553,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,559.76 : 1,001,896.80 = 369,175.12 : x
  2. Step 2: Convert to fraction form
    668,559.76/1,001,896.80 = 369,175.12/x
  3. Step 3: Cross multiply
    668,559.76x = 1,001,896.80 × 369,175.12
  4. Step 4: Simplify right side
    668,559.76x = 369,875,371,367.62
  5. Step 5: Solve for x
    x = 369,875,371,367.62/668,559.76
  6. Step 6: Final answer
    x = 553,242.05

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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.