Home / 788,967.84-1,088,509.68-449,195.52

Finding the Fourth Proportional to 788,967.84, 1,088,509.68 and 449,195.52

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Solution

The fourth proportional to 788,967.84, 1,088,509.68 and 449,195.52 is: 619,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,967.84 : 1,088,509.68 = 449,195.52 : x
  2. Step 2: Convert to fraction form
    788,967.84/1,088,509.68 = 449,195.52/x
  3. Step 3: Cross multiply
    788,967.84x = 1,088,509.68 × 449,195.52
  4. Step 4: Simplify right side
    788,967.84x = 488,953,671,732.63
  5. Step 5: Solve for x
    x = 488,953,671,732.63/788,967.84
  6. Step 6: Final answer
    x = 619,738.41

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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.