Home / 647,477.10-971,215.65-367,541.10

Finding the Fourth Proportional to 647,477.10, 971,215.65 and 367,541.10

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Solution

The fourth proportional to 647,477.10, 971,215.65 and 367,541.10 is: 551,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,477.10 : 971,215.65 = 367,541.10 : x
  2. Step 2: Convert to fraction form
    647,477.10/971,215.65 = 367,541.10/x
  3. Step 3: Cross multiply
    647,477.10x = 971,215.65 × 367,541.10
  4. Step 4: Simplify right side
    647,477.10x = 356,961,668,338.22
  5. Step 5: Solve for x
    x = 356,961,668,338.22/647,477.10
  6. Step 6: Final answer
    x = 551,311.65

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Similar ratio
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1.5x scale

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.