Home / 828,955.10-1,242,511.05-355,559.90

Finding the Fourth Proportional to 828,955.10, 1,242,511.05 and 355,559.90

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Solution

The fourth proportional to 828,955.10, 1,242,511.05 and 355,559.90 is: 532,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,955.10 : 1,242,511.05 = 355,559.90 : x
  2. Step 2: Convert to fraction form
    828,955.10/1,242,511.05 = 355,559.90/x
  3. Step 3: Cross multiply
    828,955.10x = 1,242,511.05 × 355,559.90
  4. Step 4: Simplify right side
    828,955.10x = 441,787,104,686.90
  5. Step 5: Solve for x
    x = 441,787,104,686.90/828,955.10
  6. Step 6: Final answer
    x = 532,944.55

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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.