Home / 898,697.48-1,240,210.97-511,493.92

Finding the Fourth Proportional to 898,697.48, 1,240,210.97 and 511,493.92

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Solution

The fourth proportional to 898,697.48, 1,240,210.97 and 511,493.92 is: 705,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,697.48 : 1,240,210.97 = 511,493.92 : x
  2. Step 2: Convert to fraction form
    898,697.48/1,240,210.97 = 511,493.92/x
  3. Step 3: Cross multiply
    898,697.48x = 1,240,210.97 × 511,493.92
  4. Step 4: Simplify right side
    898,697.48x = 634,360,368,850.51
  5. Step 5: Solve for x
    x = 634,360,368,850.51/898,697.48
  6. Step 6: Final answer
    x = 705,866.41

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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.