Home / 905,630.68-1,358,730.42-373,402.36

Finding the Fourth Proportional to 905,630.68, 1,358,730.42 and 373,402.36

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Solution

The fourth proportional to 905,630.68, 1,358,730.42 and 373,402.36 is: 560,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,630.68 : 1,358,730.42 = 373,402.36 : x
  2. Step 2: Convert to fraction form
    905,630.68/1,358,730.42 = 373,402.36/x
  3. Step 3: Cross multiply
    905,630.68x = 1,358,730.42 × 373,402.36
  4. Step 4: Simplify right side
    905,630.68x = 507,353,145,431.79
  5. Step 5: Solve for x
    x = 507,353,145,431.79/905,630.68
  6. Step 6: Final answer
    x = 560,220.80

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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.