Home / 748,626.81-1,123,522.53-522,518.35

Finding the Fourth Proportional to 748,626.81, 1,123,522.53 and 522,518.35

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Solution

The fourth proportional to 748,626.81, 1,123,522.53 and 522,518.35 is: 784,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,626.81 : 1,123,522.53 = 522,518.35 : x
  2. Step 2: Convert to fraction form
    748,626.81/1,123,522.53 = 522,518.35/x
  3. Step 3: Cross multiply
    748,626.81x = 1,123,522.53 × 522,518.35
  4. Step 4: Simplify right side
    748,626.81x = 587,061,136,734.34
  5. Step 5: Solve for x
    x = 587,061,136,734.34/748,626.81
  6. Step 6: Final answer
    x = 784,183.96

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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.