Home / 896,400.07-1,236,996.09-488,493.21

Finding the Fourth Proportional to 896,400.07, 1,236,996.09 and 488,493.21

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Solution

The fourth proportional to 896,400.07, 1,236,996.09 and 488,493.21 is: 674,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,400.07 : 1,236,996.09 = 488,493.21 : x
  2. Step 2: Convert to fraction form
    896,400.07/1,236,996.09 = 488,493.21/x
  3. Step 3: Cross multiply
    896,400.07x = 1,236,996.09 × 488,493.21
  4. Step 4: Simplify right side
    896,400.07x = 604,264,195,400.28
  5. Step 5: Solve for x
    x = 604,264,195,400.28/896,400.07
  6. Step 6: Final answer
    x = 674,101.02

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Double scale
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1.5x scale

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.