Home / 762,589.09-1,051,415.43-558,285.32

Finding the Fourth Proportional to 762,589.09, 1,051,415.43 and 558,285.32

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Solution

The fourth proportional to 762,589.09, 1,051,415.43 and 558,285.32 is: 769,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,589.09 : 1,051,415.43 = 558,285.32 : x
  2. Step 2: Convert to fraction form
    762,589.09/1,051,415.43 = 558,285.32/x
  3. Step 3: Cross multiply
    762,589.09x = 1,051,415.43 × 558,285.32
  4. Step 4: Simplify right side
    762,589.09x = 586,989,799,790.49
  5. Step 5: Solve for x
    x = 586,989,799,790.49/762,589.09
  6. Step 6: Final answer
    x = 769,732.75

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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.