Home / 977,444.36-1,465,706.46-378,685.88

Finding the Fourth Proportional to 977,444.36, 1,465,706.46 and 378,685.88

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Solution

The fourth proportional to 977,444.36, 1,465,706.46 and 378,685.88 is: 567,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,444.36 : 1,465,706.46 = 378,685.88 : x
  2. Step 2: Convert to fraction form
    977,444.36/1,465,706.46 = 378,685.88/x
  3. Step 3: Cross multiply
    977,444.36x = 1,465,706.46 × 378,685.88
  4. Step 4: Simplify right side
    977,444.36x = 555,042,340,626.79
  5. Step 5: Solve for x
    x = 555,042,340,626.79/977,444.36
  6. Step 6: Final answer
    x = 567,850.57

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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.