Home / 980,830.16-1,471,482.36-341,041.52

Finding the Fourth Proportional to 980,830.16, 1,471,482.36 and 341,041.52

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Solution

The fourth proportional to 980,830.16, 1,471,482.36 and 341,041.52 is: 511,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,830.16 : 1,471,482.36 = 341,041.52 : x
  2. Step 2: Convert to fraction form
    980,830.16/1,471,482.36 = 341,041.52/x
  3. Step 3: Cross multiply
    980,830.16x = 1,471,482.36 × 341,041.52
  4. Step 4: Simplify right side
    980,830.16x = 501,836,580,707.59
  5. Step 5: Solve for x
    x = 501,836,580,707.59/980,830.16
  6. Step 6: Final answer
    x = 511,644.73

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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.