Home / 869,620.35-1,200,088.45-525,408.42

Finding the Fourth Proportional to 869,620.35, 1,200,088.45 and 525,408.42

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Solution

The fourth proportional to 869,620.35, 1,200,088.45 and 525,408.42 is: 725,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,620.35 : 1,200,088.45 = 525,408.42 : x
  2. Step 2: Convert to fraction form
    869,620.35/1,200,088.45 = 525,408.42/x
  3. Step 3: Cross multiply
    869,620.35x = 1,200,088.45 × 525,408.42
  4. Step 4: Simplify right side
    869,620.35x = 630,536,569,060.79
  5. Step 5: Solve for x
    x = 630,536,569,060.79/869,620.35
  6. Step 6: Final answer
    x = 725,071.09

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