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Finding the Fourth Proportional to 634,596.60, 953,450.10 and 477,132.60

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Solution

The fourth proportional to 634,596.60, 953,450.10 and 477,132.60 is: 716,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,596.60 : 953,450.10 = 477,132.60 : x
  2. Step 2: Convert to fraction form
    634,596.60/953,450.10 = 477,132.60/x
  3. Step 3: Cross multiply
    634,596.60x = 953,450.10 × 477,132.60
  4. Step 4: Simplify right side
    634,596.60x = 454,922,125,183.26
  5. Step 5: Solve for x
    x = 454,922,125,183.26/634,596.60
  6. Step 6: Final answer
    x = 716,868.20

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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.