Home / 745,731.84-1,118,833.92-479,792.64

Finding the Fourth Proportional to 745,731.84, 1,118,833.92 and 479,792.64

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Solution

The fourth proportional to 745,731.84, 1,118,833.92 and 479,792.64 is: 719,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,731.84 : 1,118,833.92 = 479,792.64 : x
  2. Step 2: Convert to fraction form
    745,731.84/1,118,833.92 = 479,792.64/x
  3. Step 3: Cross multiply
    745,731.84x = 1,118,833.92 × 479,792.64
  4. Step 4: Simplify right side
    745,731.84x = 536,808,280,198.35
  5. Step 5: Solve for x
    x = 536,808,280,198.35/745,731.84
  6. Step 6: Final answer
    x = 719,840.90

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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.