Home / 652,631.52-900,645.36-366,172.32

Finding the Fourth Proportional to 652,631.52, 900,645.36 and 366,172.32

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Solution

The fourth proportional to 652,631.52, 900,645.36 and 366,172.32 is: 505,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,631.52 : 900,645.36 = 366,172.32 : x
  2. Step 2: Convert to fraction form
    652,631.52/900,645.36 = 366,172.32/x
  3. Step 3: Cross multiply
    652,631.52x = 900,645.36 × 366,172.32
  4. Step 4: Simplify right side
    652,631.52x = 329,791,400,968.44
  5. Step 5: Solve for x
    x = 329,791,400,968.44/652,631.52
  6. Step 6: Final answer
    x = 505,325.58

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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.