Home / 646,239.60-966,659.36-454,100.58

Finding the Fourth Proportional to 646,239.60, 966,659.36 and 454,100.58

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Solution

The fourth proportional to 646,239.60, 966,659.36 and 454,100.58 is: 679,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,239.60 : 966,659.36 = 454,100.58 : x
  2. Step 2: Convert to fraction form
    646,239.60/966,659.36 = 454,100.58/x
  3. Step 3: Cross multiply
    646,239.60x = 966,659.36 × 454,100.58
  4. Step 4: Simplify right side
    646,239.60x = 438,960,573,767.93
  5. Step 5: Solve for x
    x = 438,960,573,767.93/646,239.60
  6. Step 6: Final answer
    x = 679,253.60

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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.