Home / 780,627.88-1,077,307.59-474,653.59

Finding the Fourth Proportional to 780,627.88, 1,077,307.59 and 474,653.59

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Solution

The fourth proportional to 780,627.88, 1,077,307.59 and 474,653.59 is: 655,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,627.88 : 1,077,307.59 = 474,653.59 : x
  2. Step 2: Convert to fraction form
    780,627.88/1,077,307.59 = 474,653.59/x
  3. Step 3: Cross multiply
    780,627.88x = 1,077,307.59 × 474,653.59
  4. Step 4: Simplify right side
    780,627.88x = 511,347,914,214.43
  5. Step 5: Solve for x
    x = 511,347,914,214.43/780,627.88
  6. Step 6: Final answer
    x = 655,046.96

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Double scale
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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.