Home / 407,918.16-563,007.60-260,648.82

Finding the Fourth Proportional to 407,918.16, 563,007.60 and 260,648.82

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Solution

The fourth proportional to 407,918.16, 563,007.60 and 260,648.82 is: 359,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,918.16 : 563,007.60 = 260,648.82 : x
  2. Step 2: Convert to fraction form
    407,918.16/563,007.60 = 260,648.82/x
  3. Step 3: Cross multiply
    407,918.16x = 563,007.60 × 260,648.82
  4. Step 4: Simplify right side
    407,918.16x = 146,747,266,591.03
  5. Step 5: Solve for x
    x = 146,747,266,591.03/407,918.16
  6. Step 6: Final answer
    x = 359,746.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.