Home / 740,141.20-1,109,952.60-385,037.20

Finding the Fourth Proportional to 740,141.20, 1,109,952.60 and 385,037.20

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Solution

The fourth proportional to 740,141.20, 1,109,952.60 and 385,037.20 is: 577,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,141.20 : 1,109,952.60 = 385,037.20 : x
  2. Step 2: Convert to fraction form
    740,141.20/1,109,952.60 = 385,037.20/x
  3. Step 3: Cross multiply
    740,141.20x = 1,109,952.60 × 385,037.20
  4. Step 4: Simplify right side
    740,141.20x = 427,373,041,236.72
  5. Step 5: Solve for x
    x = 427,373,041,236.72/740,141.20
  6. Step 6: Final answer
    x = 577,420.96

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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.