Home / 689,579.68-1,033,637.28-334,106.32

Finding the Fourth Proportional to 689,579.68, 1,033,637.28 and 334,106.32

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Solution

The fourth proportional to 689,579.68, 1,033,637.28 and 334,106.32 is: 500,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,579.68 : 1,033,637.28 = 334,106.32 : x
  2. Step 2: Convert to fraction form
    689,579.68/1,033,637.28 = 334,106.32/x
  3. Step 3: Cross multiply
    689,579.68x = 1,033,637.28 × 334,106.32
  4. Step 4: Simplify right side
    689,579.68x = 345,344,747,835.61
  5. Step 5: Solve for x
    x = 345,344,747,835.61/689,579.68
  6. Step 6: Final answer
    x = 500,804.70

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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.