Home / 899,928.77-1,241,913.47-492,031.07

Finding the Fourth Proportional to 899,928.77, 1,241,913.47 and 492,031.07

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Solution

The fourth proportional to 899,928.77, 1,241,913.47 and 492,031.07 is: 679,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,928.77 : 1,241,913.47 = 492,031.07 : x
  2. Step 2: Convert to fraction form
    899,928.77/1,241,913.47 = 492,031.07/x
  3. Step 3: Cross multiply
    899,928.77x = 1,241,913.47 × 492,031.07
  4. Step 4: Simplify right side
    899,928.77x = 611,060,004,821.79
  5. Step 5: Solve for x
    x = 611,060,004,821.79/899,928.77
  6. Step 6: Final answer
    x = 679,009.30

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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.