Home / 988,322.44-1,363,848.40-535,603.72

Finding the Fourth Proportional to 988,322.44, 1,363,848.40 and 535,603.72

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Solution

The fourth proportional to 988,322.44, 1,363,848.40 and 535,603.72 is: 739,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,322.44 : 1,363,848.40 = 535,603.72 : x
  2. Step 2: Convert to fraction form
    988,322.44/1,363,848.40 = 535,603.72/x
  3. Step 3: Cross multiply
    988,322.44x = 1,363,848.40 × 535,603.72
  4. Step 4: Simplify right side
    988,322.44x = 730,482,276,556.05
  5. Step 5: Solve for x
    x = 730,482,276,556.05/988,322.44
  6. Step 6: Final answer
    x = 739,113.32

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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.