Home / 499,333.91-689,031.29-284,461.16

Finding the Fourth Proportional to 499,333.91, 689,031.29 and 284,461.16

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Solution

The fourth proportional to 499,333.91, 689,031.29 and 284,461.16 is: 392,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,333.91 : 689,031.29 = 284,461.16 : x
  2. Step 2: Convert to fraction form
    499,333.91/689,031.29 = 284,461.16/x
  3. Step 3: Cross multiply
    499,333.91x = 689,031.29 × 284,461.16
  4. Step 4: Simplify right side
    499,333.91x = 196,002,638,607.39
  5. Step 5: Solve for x
    x = 196,002,638,607.39/499,333.91
  6. Step 6: Final answer
    x = 392,528.20

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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.