Home / 911,740.37-1,258,464.61-601,869.80

Finding the Fourth Proportional to 911,740.37, 1,258,464.61 and 601,869.80

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Solution

The fourth proportional to 911,740.37, 1,258,464.61 and 601,869.80 is: 830,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,740.37 : 1,258,464.61 = 601,869.80 : x
  2. Step 2: Convert to fraction form
    911,740.37/1,258,464.61 = 601,869.80/x
  3. Step 3: Cross multiply
    911,740.37x = 1,258,464.61 × 601,869.80
  4. Step 4: Simplify right side
    911,740.37x = 757,431,849,642.39
  5. Step 5: Solve for x
    x = 757,431,849,642.39/911,740.37
  6. Step 6: Final answer
    x = 830,753.88

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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.