Home / 1,011,230.85-1,395,490.28-552,345.72

Finding the Fourth Proportional to 1,011,230.85, 1,395,490.28 and 552,345.72

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Solution

The fourth proportional to 1,011,230.85, 1,395,490.28 and 552,345.72 is: 762,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,230.85 : 1,395,490.28 = 552,345.72 : x
  2. Step 2: Convert to fraction form
    1,011,230.85/1,395,490.28 = 552,345.72/x
  3. Step 3: Cross multiply
    1,011,230.85x = 1,395,490.28 × 552,345.72
  4. Step 4: Simplify right side
    1,011,230.85x = 770,793,083,459.60
  5. Step 5: Solve for x
    x = 770,793,083,459.60/1,011,230.85
  6. Step 6: Final answer
    x = 762,232.56

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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.