Home / 937,660.59-1,405,655.91-338,488.47

Finding the Fourth Proportional to 937,660.59, 1,405,655.91 and 338,488.47

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Solution

The fourth proportional to 937,660.59, 1,405,655.91 and 338,488.47 is: 507,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,660.59 : 1,405,655.91 = 338,488.47 : x
  2. Step 2: Convert to fraction form
    937,660.59/1,405,655.91 = 338,488.47/x
  3. Step 3: Cross multiply
    937,660.59x = 1,405,655.91 × 338,488.47
  4. Step 4: Simplify right side
    937,660.59x = 475,798,318,322.36
  5. Step 5: Solve for x
    x = 475,798,318,322.36/937,660.59
  6. Step 6: Final answer
    x = 507,431.29

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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.