Home / 489,250.20-733,875.30-209,314.20

Finding the Fourth Proportional to 489,250.20, 733,875.30 and 209,314.20

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Solution

The fourth proportional to 489,250.20, 733,875.30 and 209,314.20 is: 313,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,250.20 : 733,875.30 = 209,314.20 : x
  2. Step 2: Convert to fraction form
    489,250.20/733,875.30 = 209,314.20/x
  3. Step 3: Cross multiply
    489,250.20x = 733,875.30 × 209,314.20
  4. Step 4: Simplify right side
    489,250.20x = 153,610,521,319.26
  5. Step 5: Solve for x
    x = 153,610,521,319.26/489,250.20
  6. Step 6: Final answer
    x = 313,971.30

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Similar ratio
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1.5x scale

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.