Home / 526,730.18-790,117.77-206,951.28

Finding the Fourth Proportional to 526,730.18, 790,117.77 and 206,951.28

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Solution

The fourth proportional to 526,730.18, 790,117.77 and 206,951.28 is: 310,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,730.18 : 790,117.77 = 206,951.28 : x
  2. Step 2: Convert to fraction form
    526,730.18/790,117.77 = 206,951.28/x
  3. Step 3: Cross multiply
    526,730.18x = 790,117.77 × 206,951.28
  4. Step 4: Simplify right side
    526,730.18x = 163,515,883,852.25
  5. Step 5: Solve for x
    x = 163,515,883,852.25/526,730.18
  6. Step 6: Final answer
    x = 310,435.76

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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.