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Finding the Fourth Proportional to 501,533.25, 752,421.42 and 288,437.55

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Solution

The fourth proportional to 501,533.25, 752,421.42 and 288,437.55 is: 432,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,533.25 : 752,421.42 = 288,437.55 : x
  2. Step 2: Convert to fraction form
    501,533.25/752,421.42 = 288,437.55/x
  3. Step 3: Cross multiply
    501,533.25x = 752,421.42 × 288,437.55
  4. Step 4: Simplify right side
    501,533.25x = 217,026,590,952.32
  5. Step 5: Solve for x
    x = 217,026,590,952.32/501,533.25
  6. Step 6: Final answer
    x = 432,726.23

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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.