Home / 762,670.56-1,052,610.96-423,248.16

Finding the Fourth Proportional to 762,670.56, 1,052,610.96 and 423,248.16

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Solution

The fourth proportional to 762,670.56, 1,052,610.96 and 423,248.16 is: 584,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,670.56 : 1,052,610.96 = 423,248.16 : x
  2. Step 2: Convert to fraction form
    762,670.56/1,052,610.96 = 423,248.16/x
  3. Step 3: Cross multiply
    762,670.56x = 1,052,610.96 × 423,248.16
  4. Step 4: Simplify right side
    762,670.56x = 445,515,652,015.83
  5. Step 5: Solve for x
    x = 445,515,652,015.83/762,670.56
  6. Step 6: Final answer
    x = 584,152.16

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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.