Home / 945,973.70-1,305,402.91-538,018.01

Finding the Fourth Proportional to 945,973.70, 1,305,402.91 and 538,018.01

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Solution

The fourth proportional to 945,973.70, 1,305,402.91 and 538,018.01 is: 742,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,973.70 : 1,305,402.91 = 538,018.01 : x
  2. Step 2: Convert to fraction form
    945,973.70/1,305,402.91 = 538,018.01/x
  3. Step 3: Cross multiply
    945,973.70x = 1,305,402.91 × 538,018.01
  4. Step 4: Simplify right side
    945,973.70x = 702,330,275,886.41
  5. Step 5: Solve for x
    x = 702,330,275,886.41/945,973.70
  6. Step 6: Final answer
    x = 742,441.65

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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.