Home / 785,340.36-1,178,010.41-224,374.86

Finding the Fourth Proportional to 785,340.36, 1,178,010.41 and 224,374.86

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Solution

The fourth proportional to 785,340.36, 1,178,010.41 and 224,374.86 is: 336,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,340.36 : 1,178,010.41 = 224,374.86 : x
  2. Step 2: Convert to fraction form
    785,340.36/1,178,010.41 = 224,374.86/x
  3. Step 3: Cross multiply
    785,340.36x = 1,178,010.41 × 224,374.86
  4. Step 4: Simplify right side
    785,340.36x = 264,315,919,700.42
  5. Step 5: Solve for x
    x = 264,315,919,700.42/785,340.36
  6. Step 6: Final answer
    x = 336,562.25

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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.