Home / 977,626.87-1,349,104.41-547,897.77

Finding the Fourth Proportional to 977,626.87, 1,349,104.41 and 547,897.77

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Solution

The fourth proportional to 977,626.87, 1,349,104.41 and 547,897.77 is: 756,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,626.87 : 1,349,104.41 = 547,897.77 : x
  2. Step 2: Convert to fraction form
    977,626.87/1,349,104.41 = 547,897.77/x
  3. Step 3: Cross multiply
    977,626.87x = 1,349,104.41 × 547,897.77
  4. Step 4: Simplify right side
    977,626.87x = 739,171,297,736.17
  5. Step 5: Solve for x
    x = 739,171,297,736.17/977,626.87
  6. Step 6: Final answer
    x = 756,087.34

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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.