Home / 958,009.90-1,437,129.42-389,269.48

Finding the Fourth Proportional to 958,009.90, 1,437,129.42 and 389,269.48

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Solution

The fourth proportional to 958,009.90, 1,437,129.42 and 389,269.48 is: 583,950.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,009.90 : 1,437,129.42 = 389,269.48 : x
  2. Step 2: Convert to fraction form
    958,009.90/1,437,129.42 = 389,269.48/x
  3. Step 3: Cross multiply
    958,009.90x = 1,437,129.42 × 389,269.48
  4. Step 4: Simplify right side
    958,009.90x = 559,430,622,016.10
  5. Step 5: Solve for x
    x = 559,430,622,016.10/958,009.90
  6. Step 6: Final answer
    x = 583,950.77

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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.