Home / 896,646.61-1,237,335.09-488,739.48

Finding the Fourth Proportional to 896,646.61, 1,237,335.09 and 488,739.48

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Solution

The fourth proportional to 896,646.61, 1,237,335.09 and 488,739.48 is: 674,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,646.61 : 1,237,335.09 = 488,739.48 : x
  2. Step 2: Convert to fraction form
    896,646.61/1,237,335.09 = 488,739.48/x
  3. Step 3: Cross multiply
    896,646.61x = 1,237,335.09 × 488,739.48
  4. Step 4: Simplify right side
    896,646.61x = 604,734,508,472.35
  5. Step 5: Solve for x
    x = 604,734,508,472.35/896,646.61
  6. Step 6: Final answer
    x = 674,440.19

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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.