Home / 901,225.17-1,243,688.91-493,327.11

Finding the Fourth Proportional to 901,225.17, 1,243,688.91 and 493,327.11

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Solution

The fourth proportional to 901,225.17, 1,243,688.91 and 493,327.11 is: 680,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,225.17 : 1,243,688.91 = 493,327.11 : x
  2. Step 2: Convert to fraction form
    901,225.17/1,243,688.91 = 493,327.11/x
  3. Step 3: Cross multiply
    901,225.17x = 1,243,688.91 × 493,327.11
  4. Step 4: Simplify right side
    901,225.17x = 613,545,455,709.35
  5. Step 5: Solve for x
    x = 613,545,455,709.35/901,225.17
  6. Step 6: Final answer
    x = 680,790.41

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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.