Home / 628,051.70-942,077.55-559,238.90

Finding the Fourth Proportional to 628,051.70, 942,077.55 and 559,238.90

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Solution

The fourth proportional to 628,051.70, 942,077.55 and 559,238.90 is: 838,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,051.70 : 942,077.55 = 559,238.90 : x
  2. Step 2: Convert to fraction form
    628,051.70/942,077.55 = 559,238.90/x
  3. Step 3: Cross multiply
    628,051.70x = 942,077.55 × 559,238.90
  4. Step 4: Simplify right side
    628,051.70x = 526,846,412,776.70
  5. Step 5: Solve for x
    x = 526,846,412,776.70/628,051.70
  6. Step 6: Final answer
    x = 838,858.35

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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.