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Finding the Fourth Proportional to 433,646.85, 598,403.74 and 240,041.46

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Solution

The fourth proportional to 433,646.85, 598,403.74 and 240,041.46 is: 331,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,646.85 : 598,403.74 = 240,041.46 : x
  2. Step 2: Convert to fraction form
    433,646.85/598,403.74 = 240,041.46/x
  3. Step 3: Cross multiply
    433,646.85x = 598,403.74 × 240,041.46
  4. Step 4: Simplify right side
    433,646.85x = 143,641,707,419.06
  5. Step 5: Solve for x
    x = 143,641,707,419.06/433,646.85
  6. Step 6: Final answer
    x = 331,241.21

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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.