Home / 947,107.04-1,420,672.87-316,020.85

Finding the Fourth Proportional to 947,107.04, 1,420,672.87 and 316,020.85

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Solution

The fourth proportional to 947,107.04, 1,420,672.87 and 316,020.85 is: 474,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,107.04 : 1,420,672.87 = 316,020.85 : x
  2. Step 2: Convert to fraction form
    947,107.04/1,420,672.87 = 316,020.85/x
  3. Step 3: Cross multiply
    947,107.04x = 1,420,672.87 × 316,020.85
  4. Step 4: Simplify right side
    947,107.04x = 448,962,246,271.37
  5. Step 5: Solve for x
    x = 448,962,246,271.37/947,107.04
  6. Step 6: Final answer
    x = 474,035.38

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Double scale
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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.