Home / 917,164.40-1,375,285.80-417,964.40

Finding the Fourth Proportional to 917,164.40, 1,375,285.80 and 417,964.40

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Solution

The fourth proportional to 917,164.40, 1,375,285.80 and 417,964.40 is: 626,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,164.40 : 1,375,285.80 = 417,964.40 : x
  2. Step 2: Convert to fraction form
    917,164.40/1,375,285.80 = 417,964.40/x
  3. Step 3: Cross multiply
    917,164.40x = 1,375,285.80 × 417,964.40
  4. Step 4: Simplify right side
    917,164.40x = 574,820,504,225.52
  5. Step 5: Solve for x
    x = 574,820,504,225.52/917,164.40
  6. Step 6: Final answer
    x = 626,736.61

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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.