Home / 771,766.03-1,065,075.15-465,837.54

Finding the Fourth Proportional to 771,766.03, 1,065,075.15 and 465,837.54

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Solution

The fourth proportional to 771,766.03, 1,065,075.15 and 465,837.54 is: 642,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,766.03 : 1,065,075.15 = 465,837.54 : x
  2. Step 2: Convert to fraction form
    771,766.03/1,065,075.15 = 465,837.54/x
  3. Step 3: Cross multiply
    771,766.03x = 1,065,075.15 × 465,837.54
  4. Step 4: Simplify right side
    771,766.03x = 496,151,987,791.13
  5. Step 5: Solve for x
    x = 496,151,987,791.13/771,766.03
  6. Step 6: Final answer
    x = 642,878.76

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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.