Home / 718,118.34-1,077,423.57-245,135.85

Finding the Fourth Proportional to 718,118.34, 1,077,423.57 and 245,135.85

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Solution

The fourth proportional to 718,118.34, 1,077,423.57 and 245,135.85 is: 367,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,118.34 : 1,077,423.57 = 245,135.85 : x
  2. Step 2: Convert to fraction form
    718,118.34/1,077,423.57 = 245,135.85/x
  3. Step 3: Cross multiply
    718,118.34x = 1,077,423.57 × 245,135.85
  4. Step 4: Simplify right side
    718,118.34x = 264,115,142,641.99
  5. Step 5: Solve for x
    x = 264,115,142,641.99/718,118.34
  6. Step 6: Final answer
    x = 367,787.77

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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.