Home / 664,938.64-997,119.42-365,329.36

Finding the Fourth Proportional to 664,938.64, 997,119.42 and 365,329.36

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Solution

The fourth proportional to 664,938.64, 997,119.42 and 365,329.36 is: 547,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,938.64 : 997,119.42 = 365,329.36 : x
  2. Step 2: Convert to fraction form
    664,938.64/997,119.42 = 365,329.36/x
  3. Step 3: Cross multiply
    664,938.64x = 997,119.42 × 365,329.36
  4. Step 4: Simplify right side
    664,938.64x = 364,276,999,552.17
  5. Step 5: Solve for x
    x = 364,276,999,552.17/664,938.64
  6. Step 6: Final answer
    x = 547,835.51

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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.