Home / 789,362.36-1,089,404.48-483,641.63

Finding the Fourth Proportional to 789,362.36, 1,089,404.48 and 483,641.63

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Solution

The fourth proportional to 789,362.36, 1,089,404.48 and 483,641.63 is: 667,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,362.36 : 1,089,404.48 = 483,641.63 : x
  2. Step 2: Convert to fraction form
    789,362.36/1,089,404.48 = 483,641.63/x
  3. Step 3: Cross multiply
    789,362.36x = 1,089,404.48 × 483,641.63
  4. Step 4: Simplify right side
    789,362.36x = 526,881,356,018.29
  5. Step 5: Solve for x
    x = 526,881,356,018.29/789,362.36
  6. Step 6: Final answer
    x = 667,477.17

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Double scale
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1.5x scale

Why These Related Problems?

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