Home / 718,780.02-1,078,299.14-245,354.66

Finding the Fourth Proportional to 718,780.02, 1,078,299.14 and 245,354.66

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Solution

The fourth proportional to 718,780.02, 1,078,299.14 and 245,354.66 is: 368,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,780.02 : 1,078,299.14 = 245,354.66 : x
  2. Step 2: Convert to fraction form
    718,780.02/1,078,299.14 = 245,354.66/x
  3. Step 3: Cross multiply
    718,780.02x = 1,078,299.14 × 245,354.66
  4. Step 4: Simplify right side
    718,780.02x = 264,565,718,872.99
  5. Step 5: Solve for x
    x = 264,565,718,872.99/718,780.02
  6. Step 6: Final answer
    x = 368,076.06

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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.