Home / 743,603.06-1,026,172.32-404,070.50

Finding the Fourth Proportional to 743,603.06, 1,026,172.32 and 404,070.50

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Solution

The fourth proportional to 743,603.06, 1,026,172.32 and 404,070.50 is: 557,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,603.06 : 1,026,172.32 = 404,070.50 : x
  2. Step 2: Convert to fraction form
    743,603.06/1,026,172.32 = 404,070.50/x
  3. Step 3: Cross multiply
    743,603.06x = 1,026,172.32 × 404,070.50
  4. Step 4: Simplify right side
    743,603.06x = 414,645,962,428.56
  5. Step 5: Solve for x
    x = 414,645,962,428.56/743,603.06
  6. Step 6: Final answer
    x = 557,617.34

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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.