Home / 899,962.39-1,241,948.21-492,064.51

Finding the Fourth Proportional to 899,962.39, 1,241,948.21 and 492,064.51

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Solution

The fourth proportional to 899,962.39, 1,241,948.21 and 492,064.51 is: 679,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,962.39 : 1,241,948.21 = 492,064.51 : x
  2. Step 2: Convert to fraction form
    899,962.39/1,241,948.21 = 492,064.51/x
  3. Step 3: Cross multiply
    899,962.39x = 1,241,948.21 × 492,064.51
  4. Step 4: Simplify right side
    899,962.39x = 611,118,637,399.03
  5. Step 5: Solve for x
    x = 611,118,637,399.03/899,962.39
  6. Step 6: Final answer
    x = 679,049.09

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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.