Home / 691,858.47-1,037,071.46-336,430.87

Finding the Fourth Proportional to 691,858.47, 1,037,071.46 and 336,430.87

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Solution

The fourth proportional to 691,858.47, 1,037,071.46 and 336,430.87 is: 504,298.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,858.47 : 1,037,071.46 = 336,430.87 : x
  2. Step 2: Convert to fraction form
    691,858.47/1,037,071.46 = 336,430.87/x
  3. Step 3: Cross multiply
    691,858.47x = 1,037,071.46 × 336,430.87
  4. Step 4: Simplify right side
    691,858.47x = 348,902,855,729.47
  5. Step 5: Solve for x
    x = 348,902,855,729.47/691,858.47
  6. Step 6: Final answer
    x = 504,298.02

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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.