Home / 689,170.94-1,033,756.41-314,931.50

Finding the Fourth Proportional to 689,170.94, 1,033,756.41 and 314,931.50

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Solution

The fourth proportional to 689,170.94, 1,033,756.41 and 314,931.50 is: 472,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,170.94 : 1,033,756.41 = 314,931.50 : x
  2. Step 2: Convert to fraction form
    689,170.94/1,033,756.41 = 314,931.50/x
  3. Step 3: Cross multiply
    689,170.94x = 1,033,756.41 × 314,931.50
  4. Step 4: Simplify right side
    689,170.94x = 325,562,456,835.92
  5. Step 5: Solve for x
    x = 325,562,456,835.92/689,170.94
  6. Step 6: Final answer
    x = 472,397.25

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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.