Home / 510,371.18-704,314.74-280,951.44

Finding the Fourth Proportional to 510,371.18, 704,314.74 and 280,951.44

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Solution

The fourth proportional to 510,371.18, 704,314.74 and 280,951.44 is: 387,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,371.18 : 704,314.74 = 280,951.44 : x
  2. Step 2: Convert to fraction form
    510,371.18/704,314.74 = 280,951.44/x
  3. Step 3: Cross multiply
    510,371.18x = 704,314.74 × 280,951.44
  4. Step 4: Simplify right side
    510,371.18x = 197,878,238,828.61
  5. Step 5: Solve for x
    x = 197,878,238,828.61/510,371.18
  6. Step 6: Final answer
    x = 387,714.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.