Home / 762,969.12-1,052,900.28-423,437.37

Finding the Fourth Proportional to 762,969.12, 1,052,900.28 and 423,437.37

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Solution

The fourth proportional to 762,969.12, 1,052,900.28 and 423,437.37 is: 584,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,969.12 : 1,052,900.28 = 423,437.37 : x
  2. Step 2: Convert to fraction form
    762,969.12/1,052,900.28 = 423,437.37/x
  3. Step 3: Cross multiply
    762,969.12x = 1,052,900.28 × 423,437.37
  4. Step 4: Simplify right side
    762,969.12x = 445,837,325,435.46
  5. Step 5: Solve for x
    x = 445,837,325,435.46/762,969.12
  6. Step 6: Final answer
    x = 584,345.18

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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.