Home / 901,290.33-1,243,917.27-514,103.85

Finding the Fourth Proportional to 901,290.33, 1,243,917.27 and 514,103.85

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Solution

The fourth proportional to 901,290.33, 1,243,917.27 and 514,103.85 is: 709,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,290.33 : 1,243,917.27 = 514,103.85 : x
  2. Step 2: Convert to fraction form
    901,290.33/1,243,917.27 = 514,103.85/x
  3. Step 3: Cross multiply
    901,290.33x = 1,243,917.27 × 514,103.85
  4. Step 4: Simplify right side
    901,290.33x = 639,502,657,588.49
  5. Step 5: Solve for x
    x = 639,502,657,588.49/901,290.33
  6. Step 6: Final answer
    x = 709,541.24

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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.