Home / 743,477-1,112,802.70-401,444.95

Finding the Fourth Proportional to 743,477, 1,112,802.70 and 401,444.95

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Solution

The fourth proportional to 743,477, 1,112,802.70 and 401,444.95 is: 600,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,477 : 1,112,802.70 = 401,444.95 : x
  2. Step 2: Convert to fraction form
    743,477/1,112,802.70 = 401,444.95/x
  3. Step 3: Cross multiply
    743,477x = 1,112,802.70 × 401,444.95
  4. Step 4: Simplify right side
    743,477x = 446,729,024,261.37
  5. Step 5: Solve for x
    x = 446,729,024,261.37/743,477
  6. Step 6: Final answer
    x = 600,864.62

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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.