Home / 559,276.20-838,323.54-401,419.08

Finding the Fourth Proportional to 559,276.20, 838,323.54 and 401,419.08

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Solution

The fourth proportional to 559,276.20, 838,323.54 and 401,419.08 is: 601,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,276.20 : 838,323.54 = 401,419.08 : x
  2. Step 2: Convert to fraction form
    559,276.20/838,323.54 = 401,419.08/x
  3. Step 3: Cross multiply
    559,276.20x = 838,323.54 × 401,419.08
  4. Step 4: Simplify right side
    559,276.20x = 336,519,064,169.14
  5. Step 5: Solve for x
    x = 336,519,064,169.14/559,276.20
  6. Step 6: Final answer
    x = 601,704.60

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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.