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Finding the Fourth Proportional to 610,719.81, 915,650.47 and 269,001.06

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Solution

The fourth proportional to 610,719.81, 915,650.47 and 269,001.06 is: 403,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,719.81 : 915,650.47 = 269,001.06 : x
  2. Step 2: Convert to fraction form
    610,719.81/915,650.47 = 269,001.06/x
  3. Step 3: Cross multiply
    610,719.81x = 915,650.47 × 269,001.06
  4. Step 4: Simplify right side
    610,719.81x = 246,310,947,019.50
  5. Step 5: Solve for x
    x = 246,310,947,019.50/610,719.81
  6. Step 6: Final answer
    x = 403,312.52

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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.