Home / 915,470.73-1,373,018.37-346,655.66

Finding the Fourth Proportional to 915,470.73, 1,373,018.37 and 346,655.66

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Solution

The fourth proportional to 915,470.73, 1,373,018.37 and 346,655.66 is: 519,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,470.73 : 1,373,018.37 = 346,655.66 : x
  2. Step 2: Convert to fraction form
    915,470.73/1,373,018.37 = 346,655.66/x
  3. Step 3: Cross multiply
    915,470.73x = 1,373,018.37 × 346,655.66
  4. Step 4: Simplify right side
    915,470.73x = 475,964,582,379.38
  5. Step 5: Solve for x
    x = 475,964,582,379.38/915,470.73
  6. Step 6: Final answer
    x = 519,912.40

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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.