Home / 809,325.77-1,117,297.75-523,009.20

Finding the Fourth Proportional to 809,325.77, 1,117,297.75 and 523,009.20

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Solution

The fourth proportional to 809,325.77, 1,117,297.75 and 523,009.20 is: 722,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,325.77 : 1,117,297.75 = 523,009.20 : x
  2. Step 2: Convert to fraction form
    809,325.77/1,117,297.75 = 523,009.20/x
  3. Step 3: Cross multiply
    809,325.77x = 1,117,297.75 × 523,009.20
  4. Step 4: Simplify right side
    809,325.77x = 584,357,002,389.30
  5. Step 5: Solve for x
    x = 584,357,002,389.30/809,325.77
  6. Step 6: Final answer
    x = 722,029.40

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Double scale
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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.