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Finding the Fourth Proportional to 560,015.40, 840,023.10 and 493,530.60

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Solution

The fourth proportional to 560,015.40, 840,023.10 and 493,530.60 is: 740,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,015.40 : 840,023.10 = 493,530.60 : x
  2. Step 2: Convert to fraction form
    560,015.40/840,023.10 = 493,530.60/x
  3. Step 3: Cross multiply
    560,015.40x = 840,023.10 × 493,530.60
  4. Step 4: Simplify right side
    560,015.40x = 414,577,104,556.86
  5. Step 5: Solve for x
    x = 414,577,104,556.86/560,015.40
  6. Step 6: Final answer
    x = 740,295.90

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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.