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Finding the Fourth Proportional to 448,567.60, 672,851.40 and 442,662.70

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Solution

The fourth proportional to 448,567.60, 672,851.40 and 442,662.70 is: 663,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,567.60 : 672,851.40 = 442,662.70 : x
  2. Step 2: Convert to fraction form
    448,567.60/672,851.40 = 442,662.70/x
  3. Step 3: Cross multiply
    448,567.60x = 672,851.40 × 442,662.70
  4. Step 4: Simplify right side
    448,567.60x = 297,846,217,422.78
  5. Step 5: Solve for x
    x = 297,846,217,422.78/448,567.60
  6. Step 6: Final answer
    x = 663,994.05

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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.