Home / 651,466.40-977,199.60-494,002.40

Finding the Fourth Proportional to 651,466.40, 977,199.60 and 494,002.40

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Solution

The fourth proportional to 651,466.40, 977,199.60 and 494,002.40 is: 741,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,466.40 : 977,199.60 = 494,002.40 : x
  2. Step 2: Convert to fraction form
    651,466.40/977,199.60 = 494,002.40/x
  3. Step 3: Cross multiply
    651,466.40x = 977,199.60 × 494,002.40
  4. Step 4: Simplify right side
    651,466.40x = 482,738,947,679.04
  5. Step 5: Solve for x
    x = 482,738,947,679.04/651,466.40
  6. Step 6: Final answer
    x = 741,003.60

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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.