Home / 717,875.07-1,075,797.46-398,167.79

Finding the Fourth Proportional to 717,875.07, 1,075,797.46 and 398,167.79

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Solution

The fourth proportional to 717,875.07, 1,075,797.46 and 398,167.79 is: 596,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,875.07 : 1,075,797.46 = 398,167.79 : x
  2. Step 2: Convert to fraction form
    717,875.07/1,075,797.46 = 398,167.79/x
  3. Step 3: Cross multiply
    717,875.07x = 1,075,797.46 × 398,167.79
  4. Step 4: Simplify right side
    717,875.07x = 428,347,892,254.54
  5. Step 5: Solve for x
    x = 428,347,892,254.54/717,875.07
  6. Step 6: Final answer
    x = 596,688.63

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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.