Home / 717,218.28-1,075,108.60-333,236.89

Finding the Fourth Proportional to 717,218.28, 1,075,108.60 and 333,236.89

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Solution

The fourth proportional to 717,218.28, 1,075,108.60 and 333,236.89 is: 499,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,218.28 : 1,075,108.60 = 333,236.89 : x
  2. Step 2: Convert to fraction form
    717,218.28/1,075,108.60 = 333,236.89/x
  3. Step 3: Cross multiply
    717,218.28x = 1,075,108.60 × 333,236.89
  4. Step 4: Simplify right side
    717,218.28x = 358,265,846,276.25
  5. Step 5: Solve for x
    x = 358,265,846,276.25/717,218.28
  6. Step 6: Final answer
    x = 499,521.35

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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.