Home / 762,567.12-1,052,467.92-423,144.72

Finding the Fourth Proportional to 762,567.12, 1,052,467.92 and 423,144.72

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Solution

The fourth proportional to 762,567.12, 1,052,467.92 and 423,144.72 is: 584,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,567.12 : 1,052,467.92 = 423,144.72 : x
  2. Step 2: Convert to fraction form
    762,567.12/1,052,467.92 = 423,144.72/x
  3. Step 3: Cross multiply
    762,567.12x = 1,052,467.92 × 423,144.72
  4. Step 4: Simplify right side
    762,567.12x = 445,346,243,317.38
  5. Step 5: Solve for x
    x = 445,346,243,317.38/762,567.12
  6. Step 6: Final answer
    x = 584,009.24

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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.