Home / 869,862.65-1,200,352.77-482,653.52

Finding the Fourth Proportional to 869,862.65, 1,200,352.77 and 482,653.52

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Solution

The fourth proportional to 869,862.65, 1,200,352.77 and 482,653.52 is: 666,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,862.65 : 1,200,352.77 = 482,653.52 : x
  2. Step 2: Convert to fraction form
    869,862.65/1,200,352.77 = 482,653.52/x
  3. Step 3: Cross multiply
    869,862.65x = 1,200,352.77 × 482,653.52
  4. Step 4: Simplify right side
    869,862.65x = 579,354,488,181.81
  5. Step 5: Solve for x
    x = 579,354,488,181.81/869,862.65
  6. Step 6: Final answer
    x = 666,029.85

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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.