Home / 792,602.61-1,188,890.14-319,275.87

Finding the Fourth Proportional to 792,602.61, 1,188,890.14 and 319,275.87

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Solution

The fourth proportional to 792,602.61, 1,188,890.14 and 319,275.87 is: 478,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,602.61 : 1,188,890.14 = 319,275.87 : x
  2. Step 2: Convert to fraction form
    792,602.61/1,188,890.14 = 319,275.87/x
  3. Step 3: Cross multiply
    792,602.61x = 1,188,890.14 × 319,275.87
  4. Step 4: Simplify right side
    792,602.61x = 379,583,933,782.92
  5. Step 5: Solve for x
    x = 379,583,933,782.92/792,602.61
  6. Step 6: Final answer
    x = 478,908.26

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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.