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Finding the Fourth Proportional to 708,704.72, 977,217.96 and 579,241.36

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Solution

The fourth proportional to 708,704.72, 977,217.96 and 579,241.36 is: 798,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,704.72 : 977,217.96 = 579,241.36 : x
  2. Step 2: Convert to fraction form
    708,704.72/977,217.96 = 579,241.36/x
  3. Step 3: Cross multiply
    708,704.72x = 977,217.96 × 579,241.36
  4. Step 4: Simplify right side
    708,704.72x = 566,045,060,166.83
  5. Step 5: Solve for x
    x = 566,045,060,166.83/708,704.72
  6. Step 6: Final answer
    x = 798,703.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.