Home / 977,102.82-1,348,311.69-547,401.06

Finding the Fourth Proportional to 977,102.82, 1,348,311.69 and 547,401.06

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Solution

The fourth proportional to 977,102.82, 1,348,311.69 and 547,401.06 is: 755,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,102.82 : 1,348,311.69 = 547,401.06 : x
  2. Step 2: Convert to fraction form
    977,102.82/1,348,311.69 = 547,401.06/x
  3. Step 3: Cross multiply
    977,102.82x = 1,348,311.69 × 547,401.06
  4. Step 4: Simplify right side
    977,102.82x = 738,067,248,316.39
  5. Step 5: Solve for x
    x = 738,067,248,316.39/977,102.82
  6. Step 6: Final answer
    x = 755,362.93

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1.5x scale

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.