Home / 821,875.20-1,232,812.80-568,358.16

Finding the Fourth Proportional to 821,875.20, 1,232,812.80 and 568,358.16

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Solution

The fourth proportional to 821,875.20, 1,232,812.80 and 568,358.16 is: 852,537.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,875.20 : 1,232,812.80 = 568,358.16 : x
  2. Step 2: Convert to fraction form
    821,875.20/1,232,812.80 = 568,358.16/x
  3. Step 3: Cross multiply
    821,875.20x = 1,232,812.80 × 568,358.16
  4. Step 4: Simplify right side
    821,875.20x = 700,679,214,632.45
  5. Step 5: Solve for x
    x = 700,679,214,632.45/821,875.20
  6. Step 6: Final answer
    x = 852,537.24

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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.