Home / 897,926.96-1,239,165.46-490,055.00

Finding the Fourth Proportional to 897,926.96, 1,239,165.46 and 490,055.00

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Solution

The fourth proportional to 897,926.96, 1,239,165.46 and 490,055.00 is: 676,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,926.96 : 1,239,165.46 = 490,055.00 : x
  2. Step 2: Convert to fraction form
    897,926.96/1,239,165.46 = 490,055.00/x
  3. Step 3: Cross multiply
    897,926.96x = 1,239,165.46 × 490,055.00
  4. Step 4: Simplify right side
    897,926.96x = 607,259,222,079.34
  5. Step 5: Solve for x
    x = 607,259,222,079.34/897,926.96
  6. Step 6: Final answer
    x = 676,290.22

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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.