Home / 828,879.74-1,143,788.64-466,231.40

Finding the Fourth Proportional to 828,879.74, 1,143,788.64 and 466,231.40

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Solution

The fourth proportional to 828,879.74, 1,143,788.64 and 466,231.40 is: 643,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,879.74 : 1,143,788.64 = 466,231.40 : x
  2. Step 2: Convert to fraction form
    828,879.74/1,143,788.64 = 466,231.40/x
  3. Step 3: Cross multiply
    828,879.74x = 1,143,788.64 × 466,231.40
  4. Step 4: Simplify right side
    828,879.74x = 533,270,178,931.30
  5. Step 5: Solve for x
    x = 533,270,178,931.30/828,879.74
  6. Step 6: Final answer
    x = 643,362.54

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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.