Home / 977,381.37-1,348,718.25-541,794.53

Finding the Fourth Proportional to 977,381.37, 1,348,718.25 and 541,794.53

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Solution

The fourth proportional to 977,381.37, 1,348,718.25 and 541,794.53 is: 747,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,381.37 : 1,348,718.25 = 541,794.53 : x
  2. Step 2: Convert to fraction form
    977,381.37/1,348,718.25 = 541,794.53/x
  3. Step 3: Cross multiply
    977,381.37x = 1,348,718.25 × 541,794.53
  4. Step 4: Simplify right side
    977,381.37x = 730,728,166,459.90
  5. Step 5: Solve for x
    x = 730,728,166,459.90/977,381.37
  6. Step 6: Final answer
    x = 747,638.73

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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.