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Finding the Fourth Proportional to 454,005.60, 679,779.60 and 355,701.60

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Solution

The fourth proportional to 454,005.60, 679,779.60 and 355,701.60 is: 532,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,005.60 : 679,779.60 = 355,701.60 : x
  2. Step 2: Convert to fraction form
    454,005.60/679,779.60 = 355,701.60/x
  3. Step 3: Cross multiply
    454,005.60x = 679,779.60 × 355,701.60
  4. Step 4: Simplify right side
    454,005.60x = 241,798,691,367.36
  5. Step 5: Solve for x
    x = 241,798,691,367.36/454,005.60
  6. Step 6: Final answer
    x = 532,589.67

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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.