Home / 717,220.29-1,075,111.59-333,238.89

Finding the Fourth Proportional to 717,220.29, 1,075,111.59 and 333,238.89

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Solution

The fourth proportional to 717,220.29, 1,075,111.59 and 333,238.89 is: 499,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,220.29 : 1,075,111.59 = 333,238.89 : x
  2. Step 2: Convert to fraction form
    717,220.29/1,075,111.59 = 333,238.89/x
  3. Step 3: Cross multiply
    717,220.29x = 1,075,111.59 × 333,238.89
  4. Step 4: Simplify right side
    717,220.29x = 358,268,992,877.74
  5. Step 5: Solve for x
    x = 358,268,992,877.74/717,220.29
  6. Step 6: Final answer
    x = 499,524.34

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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.