Home / 899,965.89-1,241,953.04-492,068.01

Finding the Fourth Proportional to 899,965.89, 1,241,953.04 and 492,068.01

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Solution

The fourth proportional to 899,965.89, 1,241,953.04 and 492,068.01 is: 679,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,965.89 : 1,241,953.04 = 492,068.01 : x
  2. Step 2: Convert to fraction form
    899,965.89/1,241,953.04 = 492,068.01/x
  3. Step 3: Cross multiply
    899,965.89x = 1,241,953.04 × 492,068.01
  4. Step 4: Simplify right side
    899,965.89x = 611,125,360,906.25
  5. Step 5: Solve for x
    x = 611,125,360,906.25/899,965.89
  6. Step 6: Final answer
    x = 679,053.91

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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.