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Finding the Fourth Proportional to 501,525.28, 752,409.42 and 288,429.58

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Solution

The fourth proportional to 501,525.28, 752,409.42 and 288,429.58 is: 432,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,525.28 : 752,409.42 = 288,429.58 : x
  2. Step 2: Convert to fraction form
    501,525.28/752,409.42 = 288,429.58/x
  3. Step 3: Cross multiply
    501,525.28x = 752,409.42 × 288,429.58
  4. Step 4: Simplify right side
    501,525.28x = 217,017,132,998.64
  5. Step 5: Solve for x
    x = 217,017,132,998.64/501,525.28
  6. Step 6: Final answer
    x = 432,714.25

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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.