Home / 988,828.80-1,483,826.40-652,840.80

Finding the Fourth Proportional to 988,828.80, 1,483,826.40 and 652,840.80

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Solution

The fourth proportional to 988,828.80, 1,483,826.40 and 652,840.80 is: 979,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,828.80 : 1,483,826.40 = 652,840.80 : x
  2. Step 2: Convert to fraction form
    988,828.80/1,483,826.40 = 652,840.80/x
  3. Step 3: Cross multiply
    988,828.80x = 1,483,826.40 × 652,840.80
  4. Step 4: Simplify right side
    988,828.80x = 968,702,414,037.12
  5. Step 5: Solve for x
    x = 968,702,414,037.12/988,828.80
  6. Step 6: Final answer
    x = 979,646.24

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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.