Home / 705,892.59-1,058,098.72-345,566.57

Finding the Fourth Proportional to 705,892.59, 1,058,098.72 and 345,566.57

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Solution

The fourth proportional to 705,892.59, 1,058,098.72 and 345,566.57 is: 517,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,892.59 : 1,058,098.72 = 345,566.57 : x
  2. Step 2: Convert to fraction form
    705,892.59/1,058,098.72 = 345,566.57/x
  3. Step 3: Cross multiply
    705,892.59x = 1,058,098.72 × 345,566.57
  4. Step 4: Simplify right side
    705,892.59x = 365,643,547,173.12
  5. Step 5: Solve for x
    x = 365,643,547,173.12/705,892.59
  6. Step 6: Final answer
    x = 517,987.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.