Home / 762,661.86-1,052,459.37-423,122.82

Finding the Fourth Proportional to 762,661.86, 1,052,459.37 and 423,122.82

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Solution

The fourth proportional to 762,661.86, 1,052,459.37 and 423,122.82 is: 583,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,661.86 : 1,052,459.37 = 423,122.82 : x
  2. Step 2: Convert to fraction form
    762,661.86/1,052,459.37 = 423,122.82/x
  3. Step 3: Cross multiply
    762,661.86x = 1,052,459.37 × 423,122.82
  4. Step 4: Simplify right side
    762,661.86x = 445,319,576,569.82
  5. Step 5: Solve for x
    x = 445,319,576,569.82/762,661.86
  6. Step 6: Final answer
    x = 583,901.73

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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.