Home / 760,717.52-1,141,289.62-305,628.34

Finding the Fourth Proportional to 760,717.52, 1,141,289.62 and 305,628.34

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Solution

The fourth proportional to 760,717.52, 1,141,289.62 and 305,628.34 is: 458,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,717.52 : 1,141,289.62 = 305,628.34 : x
  2. Step 2: Convert to fraction form
    760,717.52/1,141,289.62 = 305,628.34/x
  3. Step 3: Cross multiply
    760,717.52x = 1,141,289.62 × 305,628.34
  4. Step 4: Simplify right side
    760,717.52x = 348,810,452,019.83
  5. Step 5: Solve for x
    x = 348,810,452,019.83/760,717.52
  6. Step 6: Final answer
    x = 458,528.22

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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.