Home / 612,557.00-919,022.40-313,247.82

Finding the Fourth Proportional to 612,557.00, 919,022.40 and 313,247.82

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Solution

The fourth proportional to 612,557.00, 919,022.40 and 313,247.82 is: 469,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,557.00 : 919,022.40 = 313,247.82 : x
  2. Step 2: Convert to fraction form
    612,557.00/919,022.40 = 313,247.82/x
  3. Step 3: Cross multiply
    612,557.00x = 919,022.40 × 313,247.82
  4. Step 4: Simplify right side
    612,557.00x = 287,881,763,331.17
  5. Step 5: Solve for x
    x = 287,881,763,331.17/612,557.00
  6. Step 6: Final answer
    x = 469,967.31

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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.