Home / 899,203.48-1,240,886.02-491,296.52

Finding the Fourth Proportional to 899,203.48, 1,240,886.02 and 491,296.52

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Solution

The fourth proportional to 899,203.48, 1,240,886.02 and 491,296.52 is: 677,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,203.48 : 1,240,886.02 = 491,296.52 : x
  2. Step 2: Convert to fraction form
    899,203.48/1,240,886.02 = 491,296.52/x
  3. Step 3: Cross multiply
    899,203.48x = 1,240,886.02 × 491,296.52
  4. Step 4: Simplify right side
    899,203.48x = 609,642,983,342.65
  5. Step 5: Solve for x
    x = 609,642,983,342.65/899,203.48
  6. Step 6: Final answer
    x = 677,981.12

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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.