Home / 487,623.88-730,956.00-284,962.76

Finding the Fourth Proportional to 487,623.88, 730,956.00 and 284,962.76

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Solution

The fourth proportional to 487,623.88, 730,956.00 and 284,962.76 is: 427,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,623.88 : 730,956.00 = 284,962.76 : x
  2. Step 2: Convert to fraction form
    487,623.88/730,956.00 = 284,962.76/x
  3. Step 3: Cross multiply
    487,623.88x = 730,956.00 × 284,962.76
  4. Step 4: Simplify right side
    487,623.88x = 208,295,242,094.56
  5. Step 5: Solve for x
    x = 208,295,242,094.56/487,623.88
  6. Step 6: Final answer
    x = 427,163.74

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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.