Home / 723,573.41-998,591.09-401,387.40

Finding the Fourth Proportional to 723,573.41, 998,591.09 and 401,387.40

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Solution

The fourth proportional to 723,573.41, 998,591.09 and 401,387.40 is: 553,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,573.41 : 998,591.09 = 401,387.40 : x
  2. Step 2: Convert to fraction form
    723,573.41/998,591.09 = 401,387.40/x
  3. Step 3: Cross multiply
    723,573.41x = 998,591.09 × 401,387.40
  4. Step 4: Simplify right side
    723,573.41x = 400,821,879,271.33
  5. Step 5: Solve for x
    x = 400,821,879,271.33/723,573.41
  6. Step 6: Final answer
    x = 553,947.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.