Home / 558,266.40-837,399.60-400,802.40

Finding the Fourth Proportional to 558,266.40, 837,399.60 and 400,802.40

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Solution

The fourth proportional to 558,266.40, 837,399.60 and 400,802.40 is: 601,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,266.40 : 837,399.60 = 400,802.40 : x
  2. Step 2: Convert to fraction form
    558,266.40/837,399.60 = 400,802.40/x
  3. Step 3: Cross multiply
    558,266.40x = 837,399.60 × 400,802.40
  4. Step 4: Simplify right side
    558,266.40x = 335,631,769,439.04
  5. Step 5: Solve for x
    x = 335,631,769,439.04/558,266.40
  6. Step 6: Final answer
    x = 601,203.60

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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.