Home / 828,550.80-1,143,267.24-465,973.54

Finding the Fourth Proportional to 828,550.80, 1,143,267.24 and 465,973.54

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Solution

The fourth proportional to 828,550.80, 1,143,267.24 and 465,973.54 is: 642,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,550.80 : 1,143,267.24 = 465,973.54 : x
  2. Step 2: Convert to fraction form
    828,550.80/1,143,267.24 = 465,973.54/x
  3. Step 3: Cross multiply
    828,550.80x = 1,143,267.24 × 465,973.54
  4. Step 4: Simplify right side
    828,550.80x = 532,732,281,878.06
  5. Step 5: Solve for x
    x = 532,732,281,878.06/828,550.80
  6. Step 6: Final answer
    x = 642,968.76

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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.