Home / 770,228.49-1,062,833.52-426,009.72

Finding the Fourth Proportional to 770,228.49, 1,062,833.52 and 426,009.72

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Solution

The fourth proportional to 770,228.49, 1,062,833.52 and 426,009.72 is: 587,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,228.49 : 1,062,833.52 = 426,009.72 : x
  2. Step 2: Convert to fraction form
    770,228.49/1,062,833.52 = 426,009.72/x
  3. Step 3: Cross multiply
    770,228.49x = 1,062,833.52 × 426,009.72
  4. Step 4: Simplify right side
    770,228.49x = 452,777,410,261.81
  5. Step 5: Solve for x
    x = 452,777,410,261.81/770,228.49
  6. Step 6: Final answer
    x = 587,848.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.