Home / 459,914.66-689,986.96-452,286.28

Finding the Fourth Proportional to 459,914.66, 689,986.96 and 452,286.28

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Solution

The fourth proportional to 459,914.66, 689,986.96 and 452,286.28 is: 678,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,914.66 : 689,986.96 = 452,286.28 : x
  2. Step 2: Convert to fraction form
    459,914.66/689,986.96 = 452,286.28/x
  3. Step 3: Cross multiply
    459,914.66x = 689,986.96 × 452,286.28
  4. Step 4: Simplify right side
    459,914.66x = 312,071,635,386.91
  5. Step 5: Solve for x
    x = 312,071,635,386.91/459,914.66
  6. Step 6: Final answer
    x = 678,542.48

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1.5x scale

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.