Home / 647,392.03-893,404.82-375,621.77

Finding the Fourth Proportional to 647,392.03, 893,404.82 and 375,621.77

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Solution

The fourth proportional to 647,392.03, 893,404.82 and 375,621.77 is: 518,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,392.03 : 893,404.82 = 375,621.77 : x
  2. Step 2: Convert to fraction form
    647,392.03/893,404.82 = 375,621.77/x
  3. Step 3: Cross multiply
    647,392.03x = 893,404.82 × 375,621.77
  4. Step 4: Simplify right side
    647,392.03x = 335,582,302,987.50
  5. Step 5: Solve for x
    x = 335,582,302,987.50/647,392.03
  6. Step 6: Final answer
    x = 518,360.27

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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.