Home / 776,591.34-1,071,685.82-427,725.05

Finding the Fourth Proportional to 776,591.34, 1,071,685.82 and 427,725.05

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Solution

The fourth proportional to 776,591.34, 1,071,685.82 and 427,725.05 is: 590,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,591.34 : 1,071,685.82 = 427,725.05 : x
  2. Step 2: Convert to fraction form
    776,591.34/1,071,685.82 = 427,725.05/x
  3. Step 3: Cross multiply
    776,591.34x = 1,071,685.82 × 427,725.05
  4. Step 4: Simplify right side
    776,591.34x = 458,386,863,446.74
  5. Step 5: Solve for x
    x = 458,386,863,446.74/776,591.34
  6. Step 6: Final answer
    x = 590,254.93

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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.