Home / 896,649.12-1,237,338.54-488,741.98

Finding the Fourth Proportional to 896,649.12, 1,237,338.54 and 488,741.98

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Solution

The fourth proportional to 896,649.12, 1,237,338.54 and 488,741.98 is: 674,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,649.12 : 1,237,338.54 = 488,741.98 : x
  2. Step 2: Convert to fraction form
    896,649.12/1,237,338.54 = 488,741.98/x
  3. Step 3: Cross multiply
    896,649.12x = 1,237,338.54 × 488,741.98
  4. Step 4: Simplify right side
    896,649.12x = 604,739,287,969.91
  5. Step 5: Solve for x
    x = 604,739,287,969.91/896,649.12
  6. Step 6: Final answer
    x = 674,443.63

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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.