Home / 815,406.03-1,125,275.58-452,863.87

Finding the Fourth Proportional to 815,406.03, 1,125,275.58 and 452,863.87

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Solution

The fourth proportional to 815,406.03, 1,125,275.58 and 452,863.87 is: 624,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,406.03 : 1,125,275.58 = 452,863.87 : x
  2. Step 2: Convert to fraction form
    815,406.03/1,125,275.58 = 452,863.87/x
  3. Step 3: Cross multiply
    815,406.03x = 1,125,275.58 × 452,863.87
  4. Step 4: Simplify right side
    815,406.03x = 509,596,651,162.11
  5. Step 5: Solve for x
    x = 509,596,651,162.11/815,406.03
  6. Step 6: Final answer
    x = 624,960.61

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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.