Home / 734,153.66-1,101,017.48-307,678.33

Finding the Fourth Proportional to 734,153.66, 1,101,017.48 and 307,678.33

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Solution

The fourth proportional to 734,153.66, 1,101,017.48 and 307,678.33 is: 461,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,153.66 : 1,101,017.48 = 307,678.33 : x
  2. Step 2: Convert to fraction form
    734,153.66/1,101,017.48 = 307,678.33/x
  3. Step 3: Cross multiply
    734,153.66x = 1,101,017.48 × 307,678.33
  4. Step 4: Simplify right side
    734,153.66x = 338,759,219,385.09
  5. Step 5: Solve for x
    x = 338,759,219,385.09/734,153.66
  6. Step 6: Final answer
    x = 461,428.22

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Double scale
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Similar ratio
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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.