Home / 669,462.30-923,516.37-427,490.46

Finding the Fourth Proportional to 669,462.30, 923,516.37 and 427,490.46

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Solution

The fourth proportional to 669,462.30, 923,516.37 and 427,490.46 is: 589,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,462.30 : 923,516.37 = 427,490.46 : x
  2. Step 2: Convert to fraction form
    669,462.30/923,516.37 = 427,490.46/x
  3. Step 3: Cross multiply
    669,462.30x = 923,516.37 × 427,490.46
  4. Step 4: Simplify right side
    669,462.30x = 394,794,437,828.83
  5. Step 5: Solve for x
    x = 394,794,437,828.83/669,462.30
  6. Step 6: Final answer
    x = 589,718.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.