Home / 898,018.89-1,346,313.09-518,509.14

Finding the Fourth Proportional to 898,018.89, 1,346,313.09 and 518,509.14

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Solution

The fourth proportional to 898,018.89, 1,346,313.09 and 518,509.14 is: 777,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,018.89 : 1,346,313.09 = 518,509.14 : x
  2. Step 2: Convert to fraction form
    898,018.89/1,346,313.09 = 518,509.14/x
  3. Step 3: Cross multiply
    898,018.89x = 1,346,313.09 × 518,509.14
  4. Step 4: Simplify right side
    898,018.89x = 698,075,642,466.64
  5. Step 5: Solve for x
    x = 698,075,642,466.64/898,018.89
  6. Step 6: Final answer
    x = 777,350.73

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Half scale
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Double scale
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Similar ratio
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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.