Home / 472,403.76-651,919.23-302,736.30

Finding the Fourth Proportional to 472,403.76, 651,919.23 and 302,736.30

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Solution

The fourth proportional to 472,403.76, 651,919.23 and 302,736.30 is: 417,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,403.76 : 651,919.23 = 302,736.30 : x
  2. Step 2: Convert to fraction form
    472,403.76/651,919.23 = 302,736.30/x
  3. Step 3: Cross multiply
    472,403.76x = 651,919.23 × 302,736.30
  4. Step 4: Simplify right side
    472,403.76x = 197,359,615,589.05
  5. Step 5: Solve for x
    x = 197,359,615,589.05/472,403.76
  6. Step 6: Final answer
    x = 417,777.40

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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.