Home / 898,015.89-1,346,308.61-518,506.14

Finding the Fourth Proportional to 898,015.89, 1,346,308.61 and 518,506.14

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Solution

The fourth proportional to 898,015.89, 1,346,308.61 and 518,506.14 is: 777,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,015.89 : 1,346,308.61 = 518,506.14 : x
  2. Step 2: Convert to fraction form
    898,015.89/1,346,308.61 = 518,506.14/x
  3. Step 3: Cross multiply
    898,015.89x = 1,346,308.61 × 518,506.14
  4. Step 4: Simplify right side
    898,015.89x = 698,069,278,027.34
  5. Step 5: Solve for x
    x = 698,069,278,027.34/898,015.89
  6. Step 6: Final answer
    x = 777,346.24

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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.