Home / 748,392.10-1,123,297.86-463,220.03

Finding the Fourth Proportional to 748,392.10, 1,123,297.86 and 463,220.03

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Solution

The fourth proportional to 748,392.10, 1,123,297.86 and 463,220.03 is: 695,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,392.10 : 1,123,297.86 = 463,220.03 : x
  2. Step 2: Convert to fraction form
    748,392.10/1,123,297.86 = 463,220.03/x
  3. Step 3: Cross multiply
    748,392.10x = 1,123,297.86 × 463,220.03
  4. Step 4: Simplify right side
    748,392.10x = 520,334,068,408.14
  5. Step 5: Solve for x
    x = 520,334,068,408.14/748,392.10
  6. Step 6: Final answer
    x = 695,269.33

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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.