Home / 1,464,899-2,197,362.18-518,430.20

Finding the Fourth Proportional to 1,464,899, 2,197,362.18 and 518,430.20

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Solution

The fourth proportional to 1,464,899, 2,197,362.18 and 518,430.20 is: 777,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,899 : 2,197,362.18 = 518,430.20 : x
  2. Step 2: Convert to fraction form
    1,464,899/2,197,362.18 = 518,430.20/x
  3. Step 3: Cross multiply
    1,464,899x = 2,197,362.18 × 518,430.20
  4. Step 4: Simplify right side
    1,464,899x = 1,139,178,914,449.84
  5. Step 5: Solve for x
    x = 1,139,178,914,449.84/1,464,899
  6. Step 6: Final answer
    x = 777,650.14

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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.