Home / 740,405.80-1,110,608.70-366,380.20

Finding the Fourth Proportional to 740,405.80, 1,110,608.70 and 366,380.20

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Solution

The fourth proportional to 740,405.80, 1,110,608.70 and 366,380.20 is: 549,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,405.80 : 1,110,608.70 = 366,380.20 : x
  2. Step 2: Convert to fraction form
    740,405.80/1,110,608.70 = 366,380.20/x
  3. Step 3: Cross multiply
    740,405.80x = 1,110,608.70 × 366,380.20
  4. Step 4: Simplify right side
    740,405.80x = 406,905,037,627.74
  5. Step 5: Solve for x
    x = 406,905,037,627.74/740,405.80
  6. Step 6: Final answer
    x = 549,570.30

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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.