Home / 898,697.73-1,240,211.32-511,494.17

Finding the Fourth Proportional to 898,697.73, 1,240,211.32 and 511,494.17

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Solution

The fourth proportional to 898,697.73, 1,240,211.32 and 511,494.17 is: 705,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,697.73 : 1,240,211.32 = 511,494.17 : x
  2. Step 2: Convert to fraction form
    898,697.73/1,240,211.32 = 511,494.17/x
  3. Step 3: Cross multiply
    898,697.73x = 1,240,211.32 × 511,494.17
  4. Step 4: Simplify right side
    898,697.73x = 634,360,859,748.00
  5. Step 5: Solve for x
    x = 634,360,859,748.00/898,697.73
  6. Step 6: Final answer
    x = 705,866.77

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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.