Home / 1,019,365.81-1,529,053.59-309,400

Finding the Fourth Proportional to 1,019,365.81, 1,529,053.59 and 309,400

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Solution

The fourth proportional to 1,019,365.81, 1,529,053.59 and 309,400 is: 464,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,365.81 : 1,529,053.59 = 309,400 : x
  2. Step 2: Convert to fraction form
    1,019,365.81/1,529,053.59 = 309,400/x
  3. Step 3: Cross multiply
    1,019,365.81x = 1,529,053.59 × 309,400
  4. Step 4: Simplify right side
    1,019,365.81x = 473,089,180,746
  5. Step 5: Solve for x
    x = 473,089,180,746/1,019,365.81
  6. Step 6: Final answer
    x = 464,101.48

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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.