Home / 988,152.52-1,363,655.22-535,444.36

Finding the Fourth Proportional to 988,152.52, 1,363,655.22 and 535,444.36

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Solution

The fourth proportional to 988,152.52, 1,363,655.22 and 535,444.36 is: 738,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,152.52 : 1,363,655.22 = 535,444.36 : x
  2. Step 2: Convert to fraction form
    988,152.52/1,363,655.22 = 535,444.36/x
  3. Step 3: Cross multiply
    988,152.52x = 1,363,655.22 × 535,444.36
  4. Step 4: Simplify right side
    988,152.52x = 730,161,496,533.56
  5. Step 5: Solve for x
    x = 730,161,496,533.56/988,152.52
  6. Step 6: Final answer
    x = 738,915.79

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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.