Home / 717,027.17-1,075,635.79-380,239.97

Finding the Fourth Proportional to 717,027.17, 1,075,635.79 and 380,239.97

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Solution

The fourth proportional to 717,027.17, 1,075,635.79 and 380,239.97 is: 570,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,027.17 : 1,075,635.79 = 380,239.97 : x
  2. Step 2: Convert to fraction form
    717,027.17/1,075,635.79 = 380,239.97/x
  3. Step 3: Cross multiply
    717,027.17x = 1,075,635.79 × 380,239.97
  4. Step 4: Simplify right side
    717,027.17x = 408,999,714,191.75
  5. Step 5: Solve for x
    x = 408,999,714,191.75/717,027.17
  6. Step 6: Final answer
    x = 570,410.35

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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.