Home / 857,378.40-1,183,124.52-475,391.04

Finding the Fourth Proportional to 857,378.40, 1,183,124.52 and 475,391.04

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Solution

The fourth proportional to 857,378.40, 1,183,124.52 and 475,391.04 is: 656,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,378.40 : 1,183,124.52 = 475,391.04 : x
  2. Step 2: Convert to fraction form
    857,378.40/1,183,124.52 = 475,391.04/x
  3. Step 3: Cross multiply
    857,378.40x = 1,183,124.52 × 475,391.04
  4. Step 4: Simplify right side
    857,378.40x = 562,446,796,012.30
  5. Step 5: Solve for x
    x = 562,446,796,012.30/857,378.40
  6. Step 6: Final answer
    x = 656,007.66

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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.