Home / 730,315.15-1,007,816.29-408,027.67

Finding the Fourth Proportional to 730,315.15, 1,007,816.29 and 408,027.67

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Solution

The fourth proportional to 730,315.15, 1,007,816.29 and 408,027.67 is: 563,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,315.15 : 1,007,816.29 = 408,027.67 : x
  2. Step 2: Convert to fraction form
    730,315.15/1,007,816.29 = 408,027.67/x
  3. Step 3: Cross multiply
    730,315.15x = 1,007,816.29 × 408,027.67
  4. Step 4: Simplify right side
    730,315.15x = 411,216,932,596.74
  5. Step 5: Solve for x
    x = 411,216,932,596.74/730,315.15
  6. Step 6: Final answer
    x = 563,067.78

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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.