Home / 857,401.72-1,183,273.86-475,464.04

Finding the Fourth Proportional to 857,401.72, 1,183,273.86 and 475,464.04

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Solution

The fourth proportional to 857,401.72, 1,183,273.86 and 475,464.04 is: 656,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,401.72 : 1,183,273.86 = 475,464.04 : x
  2. Step 2: Convert to fraction form
    857,401.72/1,183,273.86 = 475,464.04/x
  3. Step 3: Cross multiply
    857,401.72x = 1,183,273.86 × 475,464.04
  4. Step 4: Simplify right side
    857,401.72x = 562,604,169,901.99
  5. Step 5: Solve for x
    x = 562,604,169,901.99/857,401.72
  6. Step 6: Final answer
    x = 656,173.36

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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.