Home / 770,478.79-1,155,768.91-201,873.83

Finding the Fourth Proportional to 770,478.79, 1,155,768.91 and 201,873.83

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Solution

The fourth proportional to 770,478.79, 1,155,768.91 and 201,873.83 is: 302,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,478.79 : 1,155,768.91 = 201,873.83 : x
  2. Step 2: Convert to fraction form
    770,478.79/1,155,768.91 = 201,873.83/x
  3. Step 3: Cross multiply
    770,478.79x = 1,155,768.91 × 201,873.83
  4. Step 4: Simplify right side
    770,478.79x = 233,319,496,456.63
  5. Step 5: Solve for x
    x = 233,319,496,456.63/770,478.79
  6. Step 6: Final answer
    x = 302,824.04

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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.