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Finding the Fourth Proportional to 610,509.01, 915,765.57 and 255,273.97

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Solution

The fourth proportional to 610,509.01, 915,765.57 and 255,273.97 is: 382,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,509.01 : 915,765.57 = 255,273.97 : x
  2. Step 2: Convert to fraction form
    610,509.01/915,765.57 = 255,273.97/x
  3. Step 3: Cross multiply
    610,509.01x = 915,765.57 × 255,273.97
  4. Step 4: Simplify right side
    610,509.01x = 233,771,112,643.21
  5. Step 5: Solve for x
    x = 233,771,112,643.21/610,509.01
  6. Step 6: Final answer
    x = 382,911.81

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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.