Home / 771,307.97-1,064,278.41-484,625.07

Finding the Fourth Proportional to 771,307.97, 1,064,278.41 and 484,625.07

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Solution

The fourth proportional to 771,307.97, 1,064,278.41 and 484,625.07 is: 668,703.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,307.97 : 1,064,278.41 = 484,625.07 : x
  2. Step 2: Convert to fraction form
    771,307.97/1,064,278.41 = 484,625.07/x
  3. Step 3: Cross multiply
    771,307.97x = 1,064,278.41 × 484,625.07
  4. Step 4: Simplify right side
    771,307.97x = 515,775,998,945.74
  5. Step 5: Solve for x
    x = 515,775,998,945.74/771,307.97
  6. Step 6: Final answer
    x = 668,703.06

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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.