Home / 898,303.80-1,347,455.70-815,635.20

Finding the Fourth Proportional to 898,303.80, 1,347,455.70 and 815,635.20

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Solution

The fourth proportional to 898,303.80, 1,347,455.70 and 815,635.20 is: 1,223,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,303.80 : 1,347,455.70 = 815,635.20 : x
  2. Step 2: Convert to fraction form
    898,303.80/1,347,455.70 = 815,635.20/x
  3. Step 3: Cross multiply
    898,303.80x = 1,347,455.70 × 815,635.20
  4. Step 4: Simplify right side
    898,303.80x = 1,099,032,299,360.64
  5. Step 5: Solve for x
    x = 1,099,032,299,360.64/898,303.80
  6. Step 6: Final answer
    x = 1,223,452.80

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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.