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Finding the Fourth Proportional to 672,241.12, 927,649.08 and 370,435.12

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Solution

The fourth proportional to 672,241.12, 927,649.08 and 370,435.12 is: 511,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,241.12 : 927,649.08 = 370,435.12 : x
  2. Step 2: Convert to fraction form
    672,241.12/927,649.08 = 370,435.12/x
  3. Step 3: Cross multiply
    672,241.12x = 927,649.08 × 370,435.12
  4. Step 4: Simplify right side
    672,241.12x = 343,633,798,267.69
  5. Step 5: Solve for x
    x = 343,633,798,267.69/672,241.12
  6. Step 6: Final answer
    x = 511,176.40

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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.