Home / 851,472.96-1,175,111.52-488,944.32

Finding the Fourth Proportional to 851,472.96, 1,175,111.52 and 488,944.32

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Solution

The fourth proportional to 851,472.96, 1,175,111.52 and 488,944.32 is: 674,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,472.96 : 1,175,111.52 = 488,944.32 : x
  2. Step 2: Convert to fraction form
    851,472.96/1,175,111.52 = 488,944.32/x
  3. Step 3: Cross multiply
    851,472.96x = 1,175,111.52 × 488,944.32
  4. Step 4: Simplify right side
    851,472.96x = 574,564,103,070.57
  5. Step 5: Solve for x
    x = 574,564,103,070.57/851,472.96
  6. Step 6: Final answer
    x = 674,788.43

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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.