Home / 828,038.40-1,241,182.80-472,286.40

Finding the Fourth Proportional to 828,038.40, 1,241,182.80 and 472,286.40

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Solution

The fourth proportional to 828,038.40, 1,241,182.80 and 472,286.40 is: 707,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,038.40 : 1,241,182.80 = 472,286.40 : x
  2. Step 2: Convert to fraction form
    828,038.40/1,241,182.80 = 472,286.40/x
  3. Step 3: Cross multiply
    828,038.40x = 1,241,182.80 × 472,286.40
  4. Step 4: Simplify right side
    828,038.40x = 586,193,756,353.92
  5. Step 5: Solve for x
    x = 586,193,756,353.92/828,038.40
  6. Step 6: Final answer
    x = 707,930.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.