Home / 978,164.20-1,467,246.30-558,260.20

Finding the Fourth Proportional to 978,164.20, 1,467,246.30 and 558,260.20

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Solution

The fourth proportional to 978,164.20, 1,467,246.30 and 558,260.20 is: 837,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,164.20 : 1,467,246.30 = 558,260.20 : x
  2. Step 2: Convert to fraction form
    978,164.20/1,467,246.30 = 558,260.20/x
  3. Step 3: Cross multiply
    978,164.20x = 1,467,246.30 × 558,260.20
  4. Step 4: Simplify right side
    978,164.20x = 819,105,212,887.26
  5. Step 5: Solve for x
    x = 819,105,212,887.26/978,164.20
  6. Step 6: Final answer
    x = 837,390.30

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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.