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Finding the Fourth Proportional to 560,418.40, 840,627.60 and 493,933.60

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Solution

The fourth proportional to 560,418.40, 840,627.60 and 493,933.60 is: 740,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,418.40 : 840,627.60 = 493,933.60 : x
  2. Step 2: Convert to fraction form
    560,418.40/840,627.60 = 493,933.60/x
  3. Step 3: Cross multiply
    560,418.40x = 840,627.60 × 493,933.60
  4. Step 4: Simplify right side
    560,418.40x = 415,214,216,727.36
  5. Step 5: Solve for x
    x = 415,214,216,727.36/560,418.40
  6. Step 6: Final answer
    x = 740,900.40

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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.