Home / 898,273.94-1,239,599.50-490,383.86

Finding the Fourth Proportional to 898,273.94, 1,239,599.50 and 490,383.86

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Solution

The fourth proportional to 898,273.94, 1,239,599.50 and 490,383.86 is: 676,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,273.94 : 1,239,599.50 = 490,383.86 : x
  2. Step 2: Convert to fraction form
    898,273.94/1,239,599.50 = 490,383.86/x
  3. Step 3: Cross multiply
    898,273.94x = 1,239,599.50 × 490,383.86
  4. Step 4: Simplify right side
    898,273.94x = 607,879,580,240.11
  5. Step 5: Solve for x
    x = 607,879,580,240.11/898,273.94
  6. Step 6: Final answer
    x = 676,719.60

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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.