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Finding the Fourth Proportional to 377,417.44, 520,828.62 and 207,654.40

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Solution

The fourth proportional to 377,417.44, 520,828.62 and 207,654.40 is: 286,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,417.44 : 520,828.62 = 207,654.40 : x
  2. Step 2: Convert to fraction form
    377,417.44/520,828.62 = 207,654.40/x
  3. Step 3: Cross multiply
    377,417.44x = 520,828.62 × 207,654.40
  4. Step 4: Simplify right side
    377,417.44x = 108,152,354,588.93
  5. Step 5: Solve for x
    x = 108,152,354,588.93/377,417.44
  6. Step 6: Final answer
    x = 286,558.97

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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.