Home / 919,485.14-1,380,062.02-470,516.18

Finding the Fourth Proportional to 919,485.14, 1,380,062.02 and 470,516.18

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Solution

The fourth proportional to 919,485.14, 1,380,062.02 and 470,516.18 is: 706,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,485.14 : 1,380,062.02 = 470,516.18 : x
  2. Step 2: Convert to fraction form
    919,485.14/1,380,062.02 = 470,516.18/x
  3. Step 3: Cross multiply
    919,485.14x = 1,380,062.02 × 470,516.18
  4. Step 4: Simplify right side
    919,485.14x = 649,341,509,813.48
  5. Step 5: Solve for x
    x = 649,341,509,813.48/919,485.14
  6. Step 6: Final answer
    x = 706,201.20

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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.