Home / 627,011.00-865,328.54-355,127.25

Finding the Fourth Proportional to 627,011.00, 865,328.54 and 355,127.25

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Solution

The fourth proportional to 627,011.00, 865,328.54 and 355,127.25 is: 490,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,011.00 : 865,328.54 = 355,127.25 : x
  2. Step 2: Convert to fraction form
    627,011.00/865,328.54 = 355,127.25/x
  3. Step 3: Cross multiply
    627,011.00x = 865,328.54 × 355,127.25
  4. Step 4: Simplify right side
    627,011.00x = 307,301,742,981.08
  5. Step 5: Solve for x
    x = 307,301,742,981.08/627,011.00
  6. Step 6: Final answer
    x = 490,105.83

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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.