Home / 869,944.88-1,200,521.48-482,818.74

Finding the Fourth Proportional to 869,944.88, 1,200,521.48 and 482,818.74

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Solution

The fourth proportional to 869,944.88, 1,200,521.48 and 482,818.74 is: 666,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,944.88 : 1,200,521.48 = 482,818.74 : x
  2. Step 2: Convert to fraction form
    869,944.88/1,200,521.48 = 482,818.74/x
  3. Step 3: Cross multiply
    869,944.88x = 1,200,521.48 × 482,818.74
  4. Step 4: Simplify right side
    869,944.88x = 579,634,268,316.54
  5. Step 5: Solve for x
    x = 579,634,268,316.54/869,944.88
  6. Step 6: Final answer
    x = 666,288.50

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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.