Home / 717,311.58-1,075,967.37-218,671.26

Finding the Fourth Proportional to 717,311.58, 1,075,967.37 and 218,671.26

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Solution

The fourth proportional to 717,311.58, 1,075,967.37 and 218,671.26 is: 328,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,311.58 : 1,075,967.37 = 218,671.26 : x
  2. Step 2: Convert to fraction form
    717,311.58/1,075,967.37 = 218,671.26/x
  3. Step 3: Cross multiply
    717,311.58x = 1,075,967.37 × 218,671.26
  4. Step 4: Simplify right side
    717,311.58x = 235,283,140,516.79
  5. Step 5: Solve for x
    x = 235,283,140,516.79/717,311.58
  6. Step 6: Final answer
    x = 328,006.89

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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.