Home / 439,582.68-658,904.10-314,544.60

Finding the Fourth Proportional to 439,582.68, 658,904.10 and 314,544.60

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Solution

The fourth proportional to 439,582.68, 658,904.10 and 314,544.60 is: 471,480.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,582.68 : 658,904.10 = 314,544.60 : x
  2. Step 2: Convert to fraction form
    439,582.68/658,904.10 = 314,544.60/x
  3. Step 3: Cross multiply
    439,582.68x = 658,904.10 × 314,544.60
  4. Step 4: Simplify right side
    439,582.68x = 207,254,726,572.86
  5. Step 5: Solve for x
    x = 207,254,726,572.86/439,582.68
  6. Step 6: Final answer
    x = 471,480.65

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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.