Home / 851,960.63-1,175,686.75-469,987.31

Finding the Fourth Proportional to 851,960.63, 1,175,686.75 and 469,987.31

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Solution

The fourth proportional to 851,960.63, 1,175,686.75 and 469,987.31 is: 648,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,960.63 : 1,175,686.75 = 469,987.31 : x
  2. Step 2: Convert to fraction form
    851,960.63/1,175,686.75 = 469,987.31/x
  3. Step 3: Cross multiply
    851,960.63x = 1,175,686.75 × 469,987.31
  4. Step 4: Simplify right side
    851,960.63x = 552,557,856,561.84
  5. Step 5: Solve for x
    x = 552,557,856,561.84/851,960.63
  6. Step 6: Final answer
    x = 648,572.05

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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.