Home / 510,678.24-766,018.16-210,829.72

Finding the Fourth Proportional to 510,678.24, 766,018.16 and 210,829.72

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Solution

The fourth proportional to 510,678.24, 766,018.16 and 210,829.72 is: 316,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,678.24 : 766,018.16 = 210,829.72 : x
  2. Step 2: Convert to fraction form
    510,678.24/766,018.16 = 210,829.72/x
  3. Step 3: Cross multiply
    510,678.24x = 766,018.16 × 210,829.72
  4. Step 4: Simplify right side
    510,678.24x = 161,499,394,187.72
  5. Step 5: Solve for x
    x = 161,499,394,187.72/510,678.24
  6. Step 6: Final answer
    x = 316,244.91

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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.