Home / 898,016.89-1,346,310.10-518,507.14

Finding the Fourth Proportional to 898,016.89, 1,346,310.10 and 518,507.14

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Solution

The fourth proportional to 898,016.89, 1,346,310.10 and 518,507.14 is: 777,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,016.89 : 1,346,310.10 = 518,507.14 : x
  2. Step 2: Convert to fraction form
    898,016.89/1,346,310.10 = 518,507.14/x
  3. Step 3: Cross multiply
    898,016.89x = 1,346,310.10 × 518,507.14
  4. Step 4: Simplify right side
    898,016.89x = 698,071,399,504.11
  5. Step 5: Solve for x
    x = 698,071,399,504.11/898,016.89
  6. Step 6: Final answer
    x = 777,347.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.