Home / 657,924.72-907,937.47-356,118.72

Finding the Fourth Proportional to 657,924.72, 907,937.47 and 356,118.72

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Solution

The fourth proportional to 657,924.72, 907,937.47 and 356,118.72 is: 491,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,924.72 : 907,937.47 = 356,118.72 : x
  2. Step 2: Convert to fraction form
    657,924.72/907,937.47 = 356,118.72/x
  3. Step 3: Cross multiply
    657,924.72x = 907,937.47 × 356,118.72
  4. Step 4: Simplify right side
    657,924.72x = 323,333,529,656.44
  5. Step 5: Solve for x
    x = 323,333,529,656.44/657,924.72
  6. Step 6: Final answer
    x = 491,444.57

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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.