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Finding the Fourth Proportional to 501,516.63, 752,396.48 and 288,420.93

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Solution

The fourth proportional to 501,516.63, 752,396.48 and 288,420.93 is: 432,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,516.63 : 752,396.48 = 288,420.93 : x
  2. Step 2: Convert to fraction form
    501,516.63/752,396.48 = 288,420.93/x
  3. Step 3: Cross multiply
    501,516.63x = 752,396.48 × 288,420.93
  4. Step 4: Simplify right side
    501,516.63x = 217,006,892,490.33
  5. Step 5: Solve for x
    x = 217,006,892,490.33/501,516.63
  6. Step 6: Final answer
    x = 432,701.29

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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.