Home / 717,244.86-1,075,059.92-312,777.44

Finding the Fourth Proportional to 717,244.86, 1,075,059.92 and 312,777.44

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Solution

The fourth proportional to 717,244.86, 1,075,059.92 and 312,777.44 is: 468,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,244.86 : 1,075,059.92 = 312,777.44 : x
  2. Step 2: Convert to fraction form
    717,244.86/1,075,059.92 = 312,777.44/x
  3. Step 3: Cross multiply
    717,244.86x = 1,075,059.92 × 312,777.44
  4. Step 4: Simplify right side
    717,244.86x = 336,254,489,624.21
  5. Step 5: Solve for x
    x = 336,254,489,624.21/717,244.86
  6. Step 6: Final answer
    x = 468,814.08

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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.