Home / 818,967.59-1,130,176.35-456,383.49

Finding the Fourth Proportional to 818,967.59, 1,130,176.35 and 456,383.49

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Solution

The fourth proportional to 818,967.59, 1,130,176.35 and 456,383.49 is: 629,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,967.59 : 1,130,176.35 = 456,383.49 : x
  2. Step 2: Convert to fraction form
    818,967.59/1,130,176.35 = 456,383.49/x
  3. Step 3: Cross multiply
    818,967.59x = 1,130,176.35 × 456,383.49
  4. Step 4: Simplify right side
    818,967.59x = 515,793,826,928.46
  5. Step 5: Solve for x
    x = 515,793,826,928.46/818,967.59
  6. Step 6: Final answer
    x = 629,809.82

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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.