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Finding the Fourth Proportional to 433,514.40, 650,271.60 and 344,284.80

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Solution

The fourth proportional to 433,514.40, 650,271.60 and 344,284.80 is: 516,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,514.40 : 650,271.60 = 344,284.80 : x
  2. Step 2: Convert to fraction form
    433,514.40/650,271.60 = 344,284.80/x
  3. Step 3: Cross multiply
    433,514.40x = 650,271.60 × 344,284.80
  4. Step 4: Simplify right side
    433,514.40x = 223,878,627,751.68
  5. Step 5: Solve for x
    x = 223,878,627,751.68/433,514.40
  6. Step 6: Final answer
    x = 516,427.20

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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.