Home / 762,627.12-1,052,551.32-423,204.72

Finding the Fourth Proportional to 762,627.12, 1,052,551.32 and 423,204.72

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Solution

The fourth proportional to 762,627.12, 1,052,551.32 and 423,204.72 is: 584,092.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,627.12 : 1,052,551.32 = 423,204.72 : x
  2. Step 2: Convert to fraction form
    762,627.12/1,052,551.32 = 423,204.72/x
  3. Step 3: Cross multiply
    762,627.12x = 1,052,551.32 × 423,204.72
  4. Step 4: Simplify right side
    762,627.12x = 445,444,686,666.23
  5. Step 5: Solve for x
    x = 445,444,686,666.23/762,627.12
  6. Step 6: Final answer
    x = 584,092.38

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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.