Home / 722,686.14-1,084,128.72-242,951.16

Finding the Fourth Proportional to 722,686.14, 1,084,128.72 and 242,951.16

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Solution

The fourth proportional to 722,686.14, 1,084,128.72 and 242,951.16 is: 364,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,686.14 : 1,084,128.72 = 242,951.16 : x
  2. Step 2: Convert to fraction form
    722,686.14/1,084,128.72 = 242,951.16/x
  3. Step 3: Cross multiply
    722,686.14x = 1,084,128.72 × 242,951.16
  4. Step 4: Simplify right side
    722,686.14x = 263,390,330,113.32
  5. Step 5: Solve for x
    x = 263,390,330,113.32/722,686.14
  6. Step 6: Final answer
    x = 364,460.19

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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.