Home / 784,656.72-1,075,751.28-770,484.96

Finding the Fourth Proportional to 784,656.72, 1,075,751.28 and 770,484.96

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Solution

The fourth proportional to 784,656.72, 1,075,751.28 and 770,484.96 is: 1,056,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,656.72 : 1,075,751.28 = 770,484.96 : x
  2. Step 2: Convert to fraction form
    784,656.72/1,075,751.28 = 770,484.96/x
  3. Step 3: Cross multiply
    784,656.72x = 1,075,751.28 × 770,484.96
  4. Step 4: Simplify right side
    784,656.72x = 828,850,181,940.75
  5. Step 5: Solve for x
    x = 828,850,181,940.75/784,656.72
  6. Step 6: Final answer
    x = 1,056,322.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.