Home / 988,090.02-1,363,565.21-535,381.02

Finding the Fourth Proportional to 988,090.02, 1,363,565.21 and 535,381.02

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Solution

The fourth proportional to 988,090.02, 1,363,565.21 and 535,381.02 is: 738,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,090.02 : 1,363,565.21 = 535,381.02 : x
  2. Step 2: Convert to fraction form
    988,090.02/1,363,565.21 = 535,381.02/x
  3. Step 3: Cross multiply
    988,090.02x = 1,363,565.21 × 535,381.02
  4. Step 4: Simplify right side
    988,090.02x = 730,026,930,289.41
  5. Step 5: Solve for x
    x = 730,026,930,289.41/988,090.02
  6. Step 6: Final answer
    x = 738,826.34

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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.