Home / 948,512.77-1,308,995.54-561,550.25

Finding the Fourth Proportional to 948,512.77, 1,308,995.54 and 561,550.25

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Solution

The fourth proportional to 948,512.77, 1,308,995.54 and 561,550.25 is: 774,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,512.77 : 1,308,995.54 = 561,550.25 : x
  2. Step 2: Convert to fraction form
    948,512.77/1,308,995.54 = 561,550.25/x
  3. Step 3: Cross multiply
    948,512.77x = 1,308,995.54 × 561,550.25
  4. Step 4: Simplify right side
    948,512.77x = 735,066,775,306.44
  5. Step 5: Solve for x
    x = 735,066,775,306.44/948,512.77
  6. Step 6: Final answer
    x = 774,967.72

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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.