Home / 781,437.48-1,172,110.86-301,571.42

Finding the Fourth Proportional to 781,437.48, 1,172,110.86 and 301,571.42

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Solution

The fourth proportional to 781,437.48, 1,172,110.86 and 301,571.42 is: 452,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,437.48 : 1,172,110.86 = 301,571.42 : x
  2. Step 2: Convert to fraction form
    781,437.48/1,172,110.86 = 301,571.42/x
  3. Step 3: Cross multiply
    781,437.48x = 1,172,110.86 × 301,571.42
  4. Step 4: Simplify right side
    781,437.48x = 353,475,130,587.07
  5. Step 5: Solve for x
    x = 353,475,130,587.07/781,437.48
  6. Step 6: Final answer
    x = 452,339.62

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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.