Home / 762,769.92-1,052,619.12-423,237.36

Finding the Fourth Proportional to 762,769.92, 1,052,619.12 and 423,237.36

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Solution

The fourth proportional to 762,769.92, 1,052,619.12 and 423,237.36 is: 584,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,769.92 : 1,052,619.12 = 423,237.36 : x
  2. Step 2: Convert to fraction form
    762,769.92/1,052,619.12 = 423,237.36/x
  3. Step 3: Cross multiply
    762,769.92x = 1,052,619.12 × 423,237.36
  4. Step 4: Simplify right side
    762,769.92x = 445,507,737,434.32
  5. Step 5: Solve for x
    x = 445,507,737,434.32/762,769.92
  6. Step 6: Final answer
    x = 584,065.69

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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.