Home / 714,966.66-1,072,211.85-288,392.31

Finding the Fourth Proportional to 714,966.66, 1,072,211.85 and 288,392.31

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Solution

The fourth proportional to 714,966.66, 1,072,211.85 and 288,392.31 is: 432,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,966.66 : 1,072,211.85 = 288,392.31 : x
  2. Step 2: Convert to fraction form
    714,966.66/1,072,211.85 = 288,392.31/x
  3. Step 3: Cross multiply
    714,966.66x = 1,072,211.85 × 288,392.31
  4. Step 4: Simplify right side
    714,966.66x = 309,217,652,230.87
  5. Step 5: Solve for x
    x = 309,217,652,230.87/714,966.66
  6. Step 6: Final answer
    x = 432,492.41

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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.