Home / 972,314.60-1,458,471.90-629,830.40

Finding the Fourth Proportional to 972,314.60, 1,458,471.90 and 629,830.40

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Solution

The fourth proportional to 972,314.60, 1,458,471.90 and 629,830.40 is: 944,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,314.60 : 1,458,471.90 = 629,830.40 : x
  2. Step 2: Convert to fraction form
    972,314.60/1,458,471.90 = 629,830.40/x
  3. Step 3: Cross multiply
    972,314.60x = 1,458,471.90 × 629,830.40
  4. Step 4: Simplify right side
    972,314.60x = 918,589,940,165.76
  5. Step 5: Solve for x
    x = 918,589,940,165.76/972,314.60
  6. Step 6: Final answer
    x = 944,745.60

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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.