Home / 851,862.08-1,175,515.20-469,891.52

Finding the Fourth Proportional to 851,862.08, 1,175,515.20 and 469,891.52

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Solution

The fourth proportional to 851,862.08, 1,175,515.20 and 469,891.52 is: 648,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,862.08 : 1,175,515.20 = 469,891.52 : x
  2. Step 2: Convert to fraction form
    851,862.08/1,175,515.20 = 469,891.52/x
  3. Step 3: Cross multiply
    851,862.08x = 1,175,515.20 × 469,891.52
  4. Step 4: Simplify right side
    851,862.08x = 552,364,624,111.10
  5. Step 5: Solve for x
    x = 552,364,624,111.10/851,862.08
  6. Step 6: Final answer
    x = 648,420.25

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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.