Home / 526,570.30-788,689.05-210,864.70

Finding the Fourth Proportional to 526,570.30, 788,689.05 and 210,864.70

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Solution

The fourth proportional to 526,570.30, 788,689.05 and 210,864.70 is: 315,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,570.30 : 788,689.05 = 210,864.70 : x
  2. Step 2: Convert to fraction form
    526,570.30/788,689.05 = 210,864.70/x
  3. Step 3: Cross multiply
    526,570.30x = 788,689.05 × 210,864.70
  4. Step 4: Simplify right side
    526,570.30x = 166,306,679,921.54
  5. Step 5: Solve for x
    x = 166,306,679,921.54/526,570.30
  6. Step 6: Final answer
    x = 315,829.97

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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.