Home / 785,018.86-1,083,322.96-440,806.93

Finding the Fourth Proportional to 785,018.86, 1,083,322.96 and 440,806.93

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Solution

The fourth proportional to 785,018.86, 1,083,322.96 and 440,806.93 is: 608,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,018.86 : 1,083,322.96 = 440,806.93 : x
  2. Step 2: Convert to fraction form
    785,018.86/1,083,322.96 = 440,806.93/x
  3. Step 3: Cross multiply
    785,018.86x = 1,083,322.96 × 440,806.93
  4. Step 4: Simplify right side
    785,018.86x = 477,536,268,196.11
  5. Step 5: Solve for x
    x = 477,536,268,196.11/785,018.86
  6. Step 6: Final answer
    x = 608,311.84

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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.