Home / 857,400.72-1,183,272.48-475,463.04

Finding the Fourth Proportional to 857,400.72, 1,183,272.48 and 475,463.04

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Solution

The fourth proportional to 857,400.72, 1,183,272.48 and 475,463.04 is: 656,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,400.72 : 1,183,272.48 = 475,463.04 : x
  2. Step 2: Convert to fraction form
    857,400.72/1,183,272.48 = 475,463.04/x
  3. Step 3: Cross multiply
    857,400.72x = 1,183,272.48 × 475,463.04
  4. Step 4: Simplify right side
    857,400.72x = 562,602,330,489.14
  5. Step 5: Solve for x
    x = 562,602,330,489.14/857,400.72
  6. Step 6: Final answer
    x = 656,171.98

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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.