Home / 900,551.23-1,242,750.63-492,664.79

Finding the Fourth Proportional to 900,551.23, 1,242,750.63 and 492,664.79

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Solution

The fourth proportional to 900,551.23, 1,242,750.63 and 492,664.79 is: 679,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,551.23 : 1,242,750.63 = 492,664.79 : x
  2. Step 2: Convert to fraction form
    900,551.23/1,242,750.63 = 492,664.79/x
  3. Step 3: Cross multiply
    900,551.23x = 1,242,750.63 × 492,664.79
  4. Step 4: Simplify right side
    900,551.23x = 612,259,483,105.69
  5. Step 5: Solve for x
    x = 612,259,483,105.69/900,551.23
  6. Step 6: Final answer
    x = 679,871.91

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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.