Home / 684,693.90-1,027,040.85-446,748.30

Finding the Fourth Proportional to 684,693.90, 1,027,040.85 and 446,748.30

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Solution

The fourth proportional to 684,693.90, 1,027,040.85 and 446,748.30 is: 670,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,693.90 : 1,027,040.85 = 446,748.30 : x
  2. Step 2: Convert to fraction form
    684,693.90/1,027,040.85 = 446,748.30/x
  3. Step 3: Cross multiply
    684,693.90x = 1,027,040.85 × 446,748.30
  4. Step 4: Simplify right side
    684,693.90x = 458,828,753,768.06
  5. Step 5: Solve for x
    x = 458,828,753,768.06/684,693.90
  6. Step 6: Final answer
    x = 670,122.45

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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.