Home / 815,368.92-1,125,171.18-452,815.80

Finding the Fourth Proportional to 815,368.92, 1,125,171.18 and 452,815.80

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Solution

The fourth proportional to 815,368.92, 1,125,171.18 and 452,815.80 is: 624,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,368.92 : 1,125,171.18 = 452,815.80 : x
  2. Step 2: Convert to fraction form
    815,368.92/1,125,171.18 = 452,815.80/x
  3. Step 3: Cross multiply
    815,368.92x = 1,125,171.18 × 452,815.80
  4. Step 4: Simplify right side
    815,368.92x = 509,495,288,008.64
  5. Step 5: Solve for x
    x = 509,495,288,008.64/815,368.92
  6. Step 6: Final answer
    x = 624,864.74

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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.