Home / 791,970.86-1,188,074.83-286,650.06

Finding the Fourth Proportional to 791,970.86, 1,188,074.83 and 286,650.06

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Solution

The fourth proportional to 791,970.86, 1,188,074.83 and 286,650.06 is: 430,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,970.86 : 1,188,074.83 = 286,650.06 : x
  2. Step 2: Convert to fraction form
    791,970.86/1,188,074.83 = 286,650.06/x
  3. Step 3: Cross multiply
    791,970.86x = 1,188,074.83 × 286,650.06
  4. Step 4: Simplify right side
    791,970.86x = 340,561,720,587.37
  5. Step 5: Solve for x
    x = 340,561,720,587.37/791,970.86
  6. Step 6: Final answer
    x = 430,018.00

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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.