Home / 898,460.56-1,239,866.18-490,561.14

Finding the Fourth Proportional to 898,460.56, 1,239,866.18 and 490,561.14

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Solution

The fourth proportional to 898,460.56, 1,239,866.18 and 490,561.14 is: 676,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,460.56 : 1,239,866.18 = 490,561.14 : x
  2. Step 2: Convert to fraction form
    898,460.56/1,239,866.18 = 490,561.14/x
  3. Step 3: Cross multiply
    898,460.56x = 1,239,866.18 × 490,561.14
  4. Step 4: Simplify right side
    898,460.56x = 608,230,170,744.54
  5. Step 5: Solve for x
    x = 608,230,170,744.54/898,460.56
  6. Step 6: Final answer
    x = 676,969.25

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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.