Home / 901,079.67-1,243,480.48-487,607.40

Finding the Fourth Proportional to 901,079.67, 1,243,480.48 and 487,607.40

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Solution

The fourth proportional to 901,079.67, 1,243,480.48 and 487,607.40 is: 672,893.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,079.67 : 1,243,480.48 = 487,607.40 : x
  2. Step 2: Convert to fraction form
    901,079.67/1,243,480.48 = 487,607.40/x
  3. Step 3: Cross multiply
    901,079.67x = 1,243,480.48 × 487,607.40
  4. Step 4: Simplify right side
    901,079.67x = 606,330,283,629.25
  5. Step 5: Solve for x
    x = 606,330,283,629.25/901,079.67
  6. Step 6: Final answer
    x = 672,893.09

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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.