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Finding the Fourth Proportional to 404,563.80, 607,501.80 and 272,031.60

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Solution

The fourth proportional to 404,563.80, 607,501.80 and 272,031.60 is: 408,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,563.80 : 607,501.80 = 272,031.60 : x
  2. Step 2: Convert to fraction form
    404,563.80/607,501.80 = 272,031.60/x
  3. Step 3: Cross multiply
    404,563.80x = 607,501.80 × 272,031.60
  4. Step 4: Simplify right side
    404,563.80x = 165,259,686,656.88
  5. Step 5: Solve for x
    x = 165,259,686,656.88/404,563.80
  6. Step 6: Final answer
    x = 408,488.57

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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.