Home / 809,454.32-1,117,048.37-446,878.76

Finding the Fourth Proportional to 809,454.32, 1,117,048.37 and 446,878.76

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Solution

The fourth proportional to 809,454.32, 1,117,048.37 and 446,878.76 is: 616,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,454.32 : 1,117,048.37 = 446,878.76 : x
  2. Step 2: Convert to fraction form
    809,454.32/1,117,048.37 = 446,878.76/x
  3. Step 3: Cross multiply
    809,454.32x = 1,117,048.37 × 446,878.76
  4. Step 4: Simplify right side
    809,454.32x = 499,185,190,166.51
  5. Step 5: Solve for x
    x = 499,185,190,166.51/809,454.32
  6. Step 6: Final answer
    x = 616,693.47

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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.