Home / 851,495.40-1,175,066.10-469,513.80

Finding the Fourth Proportional to 851,495.40, 1,175,066.10 and 469,513.80

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Solution

The fourth proportional to 851,495.40, 1,175,066.10 and 469,513.80 is: 647,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,495.40 : 1,175,066.10 = 469,513.80 : x
  2. Step 2: Convert to fraction form
    851,495.40/1,175,066.10 = 469,513.80/x
  3. Step 3: Cross multiply
    851,495.40x = 1,175,066.10 × 469,513.80
  4. Step 4: Simplify right side
    851,495.40x = 551,709,749,862.18
  5. Step 5: Solve for x
    x = 551,709,749,862.18/851,495.40
  6. Step 6: Final answer
    x = 647,930.39

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Double scale
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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.