Home / 661,035.40-912,173.07-366,667.36

Finding the Fourth Proportional to 661,035.40, 912,173.07 and 366,667.36

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Solution

The fourth proportional to 661,035.40, 912,173.07 and 366,667.36 is: 505,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,035.40 : 912,173.07 = 366,667.36 : x
  2. Step 2: Convert to fraction form
    661,035.40/912,173.07 = 366,667.36/x
  3. Step 3: Cross multiply
    661,035.40x = 912,173.07 × 366,667.36
  4. Step 4: Simplify right side
    661,035.40x = 334,464,091,440.00
  5. Step 5: Solve for x
    x = 334,464,091,440.00/661,035.40
  6. Step 6: Final answer
    x = 505,970.02

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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.