Home / 985,253.46-1,478,543.46-345,563.16

Finding the Fourth Proportional to 985,253.46, 1,478,543.46 and 345,563.16

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Solution

The fourth proportional to 985,253.46, 1,478,543.46 and 345,563.16 is: 518,577.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,253.46 : 1,478,543.46 = 345,563.16 : x
  2. Step 2: Convert to fraction form
    985,253.46/1,478,543.46 = 345,563.16/x
  3. Step 3: Cross multiply
    985,253.46x = 1,478,543.46 × 345,563.16
  4. Step 4: Simplify right side
    985,253.46x = 510,930,150,234.93
  5. Step 5: Solve for x
    x = 510,930,150,234.93/985,253.46
  6. Step 6: Final answer
    x = 518,577.37

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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.