Home / 771,172.87-1,064,067.33-484,526.89

Finding the Fourth Proportional to 771,172.87, 1,064,067.33 and 484,526.89

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Solution

The fourth proportional to 771,172.87, 1,064,067.33 and 484,526.89 is: 668,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,172.87 : 1,064,067.33 = 484,526.89 : x
  2. Step 2: Convert to fraction form
    771,172.87/1,064,067.33 = 484,526.89/x
  3. Step 3: Cross multiply
    771,172.87x = 1,064,067.33 × 484,526.89
  4. Step 4: Simplify right side
    771,172.87x = 515,569,234,155.50
  5. Step 5: Solve for x
    x = 515,569,234,155.50/771,172.87
  6. Step 6: Final answer
    x = 668,552.09

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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.