Home / 770,027.31-1,154,078.69-370,560.83

Finding the Fourth Proportional to 770,027.31, 1,154,078.69 and 370,560.83

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Solution

The fourth proportional to 770,027.31, 1,154,078.69 and 370,560.83 is: 555,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,027.31 : 1,154,078.69 = 370,560.83 : x
  2. Step 2: Convert to fraction form
    770,027.31/1,154,078.69 = 370,560.83/x
  3. Step 3: Cross multiply
    770,027.31x = 1,154,078.69 × 370,560.83
  4. Step 4: Simplify right side
    770,027.31x = 427,656,349,628.52
  5. Step 5: Solve for x
    x = 427,656,349,628.52/770,027.31
  6. Step 6: Final answer
    x = 555,378.16

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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.