Home / 667,127.04-999,972.64-288,227.16

Finding the Fourth Proportional to 667,127.04, 999,972.64 and 288,227.16

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Solution

The fourth proportional to 667,127.04, 999,972.64 and 288,227.16 is: 432,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,127.04 : 999,972.64 = 288,227.16 : x
  2. Step 2: Convert to fraction form
    667,127.04/999,972.64 = 288,227.16/x
  3. Step 3: Cross multiply
    667,127.04x = 999,972.64 × 288,227.16
  4. Step 4: Simplify right side
    667,127.04x = 288,219,274,465.19
  5. Step 5: Solve for x
    x = 288,219,274,465.19/667,127.04
  6. Step 6: Final answer
    x = 432,030.57

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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.