Home / 772,830.98-1,159,580.19-418,094.90

Finding the Fourth Proportional to 772,830.98, 1,159,580.19 and 418,094.90

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Solution

The fourth proportional to 772,830.98, 1,159,580.19 and 418,094.90 is: 627,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,830.98 : 1,159,580.19 = 418,094.90 : x
  2. Step 2: Convert to fraction form
    772,830.98/1,159,580.19 = 418,094.90/x
  3. Step 3: Cross multiply
    772,830.98x = 1,159,580.19 × 418,094.90
  4. Step 4: Simplify right side
    772,830.98x = 484,814,563,580.03
  5. Step 5: Solve for x
    x = 484,814,563,580.03/772,830.98
  6. Step 6: Final answer
    x = 627,322.89

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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.