Home / 851,934.51-1,175,672.98-464,758.21

Finding the Fourth Proportional to 851,934.51, 1,175,672.98 and 464,758.21

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Solution

The fourth proportional to 851,934.51, 1,175,672.98 and 464,758.21 is: 641,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,934.51 : 1,175,672.98 = 464,758.21 : x
  2. Step 2: Convert to fraction form
    851,934.51/1,175,672.98 = 464,758.21/x
  3. Step 3: Cross multiply
    851,934.51x = 1,175,672.98 × 464,758.21
  4. Step 4: Simplify right side
    851,934.51x = 546,403,669,730.17
  5. Step 5: Solve for x
    x = 546,403,669,730.17/851,934.51
  6. Step 6: Final answer
    x = 641,368.16

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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.