Home / 770,670.42-1,063,501.16-426,485.64

Finding the Fourth Proportional to 770,670.42, 1,063,501.16 and 426,485.64

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Solution

The fourth proportional to 770,670.42, 1,063,501.16 and 426,485.64 is: 588,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,670.42 : 1,063,501.16 = 426,485.64 : x
  2. Step 2: Convert to fraction form
    770,670.42/1,063,501.16 = 426,485.64/x
  3. Step 3: Cross multiply
    770,670.42x = 1,063,501.16 × 426,485.64
  4. Step 4: Simplify right side
    770,670.42x = 453,567,972,863.34
  5. Step 5: Solve for x
    x = 453,567,972,863.34/770,670.42
  6. Step 6: Final answer
    x = 588,536.89

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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.