Home / 708,002.64-977,099.40-402,175.44

Finding the Fourth Proportional to 708,002.64, 977,099.40 and 402,175.44

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Solution

The fourth proportional to 708,002.64, 977,099.40 and 402,175.44 is: 555,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,002.64 : 977,099.40 = 402,175.44 : x
  2. Step 2: Convert to fraction form
    708,002.64/977,099.40 = 402,175.44/x
  3. Step 3: Cross multiply
    708,002.64x = 977,099.40 × 402,175.44
  4. Step 4: Simplify right side
    708,002.64x = 392,965,381,118.74
  5. Step 5: Solve for x
    x = 392,965,381,118.74/708,002.64
  6. Step 6: Final answer
    x = 555,033.78

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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.