Home / 946,986.45-1,420,479.54-347,688.24

Finding the Fourth Proportional to 946,986.45, 1,420,479.54 and 347,688.24

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Solution

The fourth proportional to 946,986.45, 1,420,479.54 and 347,688.24 is: 521,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,986.45 : 1,420,479.54 = 347,688.24 : x
  2. Step 2: Convert to fraction form
    946,986.45/1,420,479.54 = 347,688.24/x
  3. Step 3: Cross multiply
    946,986.45x = 1,420,479.54 × 347,688.24
  4. Step 4: Simplify right side
    946,986.45x = 493,884,031,218.61
  5. Step 5: Solve for x
    x = 493,884,031,218.61/946,986.45
  6. Step 6: Final answer
    x = 521,532.31

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Double scale
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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.