Home / 780,374.79-1,170,655.95-274,831.32

Finding the Fourth Proportional to 780,374.79, 1,170,655.95 and 274,831.32

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Solution

The fourth proportional to 780,374.79, 1,170,655.95 and 274,831.32 is: 412,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,374.79 : 1,170,655.95 = 274,831.32 : x
  2. Step 2: Convert to fraction form
    780,374.79/1,170,655.95 = 274,831.32/x
  3. Step 3: Cross multiply
    780,374.79x = 1,170,655.95 × 274,831.32
  4. Step 4: Simplify right side
    780,374.79x = 321,732,920,004.35
  5. Step 5: Solve for x
    x = 321,732,920,004.35/780,374.79
  6. Step 6: Final answer
    x = 412,280.00

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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.