Home / 788,516.74-1,182,775.00-189,477.90

Finding the Fourth Proportional to 788,516.74, 1,182,775.00 and 189,477.90

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Solution

The fourth proportional to 788,516.74, 1,182,775.00 and 189,477.90 is: 284,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,516.74 : 1,182,775.00 = 189,477.90 : x
  2. Step 2: Convert to fraction form
    788,516.74/1,182,775.00 = 189,477.90/x
  3. Step 3: Cross multiply
    788,516.74x = 1,182,775.00 × 189,477.90
  4. Step 4: Simplify right side
    788,516.74x = 224,109,725,566.75
  5. Step 5: Solve for x
    x = 224,109,725,566.75/788,516.74
  6. Step 6: Final answer
    x = 284,216.82

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Double scale
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Similar ratio
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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.