Home / 770,077.08-1,154,152.80-370,610.64

Finding the Fourth Proportional to 770,077.08, 1,154,152.80 and 370,610.64

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Solution

The fourth proportional to 770,077.08, 1,154,152.80 and 370,610.64 is: 555,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,077.08 : 1,154,152.80 = 370,610.64 : x
  2. Step 2: Convert to fraction form
    770,077.08/1,154,152.80 = 370,610.64/x
  3. Step 3: Cross multiply
    770,077.08x = 1,154,152.80 × 370,610.64
  4. Step 4: Simplify right side
    770,077.08x = 427,741,307,865.79
  5. Step 5: Solve for x
    x = 427,741,307,865.79/770,077.08
  6. Step 6: Final answer
    x = 555,452.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.