Home / 684,743.90-1,027,115.85-446,798.30

Finding the Fourth Proportional to 684,743.90, 1,027,115.85 and 446,798.30

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Solution

The fourth proportional to 684,743.90, 1,027,115.85 and 446,798.30 is: 670,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,743.90 : 1,027,115.85 = 446,798.30 : x
  2. Step 2: Convert to fraction form
    684,743.90/1,027,115.85 = 446,798.30/x
  3. Step 3: Cross multiply
    684,743.90x = 1,027,115.85 × 446,798.30
  4. Step 4: Simplify right side
    684,743.90x = 458,913,615,683.06
  5. Step 5: Solve for x
    x = 458,913,615,683.06/684,743.90
  6. Step 6: Final answer
    x = 670,197.45

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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.