Home / 717,240.56-1,075,053.45-312,773.13

Finding the Fourth Proportional to 717,240.56, 1,075,053.45 and 312,773.13

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Solution

The fourth proportional to 717,240.56, 1,075,053.45 and 312,773.13 is: 468,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,240.56 : 1,075,053.45 = 312,773.13 : x
  2. Step 2: Convert to fraction form
    717,240.56/1,075,053.45 = 312,773.13/x
  3. Step 3: Cross multiply
    717,240.56x = 1,075,053.45 × 312,773.13
  4. Step 4: Simplify right side
    717,240.56x = 336,247,833,646.70
  5. Step 5: Solve for x
    x = 336,247,833,646.70/717,240.56
  6. Step 6: Final answer
    x = 468,807.61

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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.