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Finding the Fourth Proportional to 501,471.36, 692,089.92 and 300,263.04

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Solution

The fourth proportional to 501,471.36, 692,089.92 and 300,263.04 is: 414,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,471.36 : 692,089.92 = 300,263.04 : x
  2. Step 2: Convert to fraction form
    501,471.36/692,089.92 = 300,263.04/x
  3. Step 3: Cross multiply
    501,471.36x = 692,089.92 × 300,263.04
  4. Step 4: Simplify right side
    501,471.36x = 207,809,023,332.56
  5. Step 5: Solve for x
    x = 207,809,023,332.56/501,471.36
  6. Step 6: Final answer
    x = 414,398.59

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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.