Home / 526,566.30-788,683.05-210,860.70

Finding the Fourth Proportional to 526,566.30, 788,683.05 and 210,860.70

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Solution

The fourth proportional to 526,566.30, 788,683.05 and 210,860.70 is: 315,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,566.30 : 788,683.05 = 210,860.70 : x
  2. Step 2: Convert to fraction form
    526,566.30/788,683.05 = 210,860.70/x
  3. Step 3: Cross multiply
    526,566.30x = 788,683.05 × 210,860.70
  4. Step 4: Simplify right side
    526,566.30x = 166,302,260,001.14
  5. Step 5: Solve for x
    x = 166,302,260,001.14/526,566.30
  6. Step 6: Final answer
    x = 315,823.97

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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.