Home / 646,717.04-965,017.72-579,472.16

Finding the Fourth Proportional to 646,717.04, 965,017.72 and 579,472.16

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Solution

The fourth proportional to 646,717.04, 965,017.72 and 579,472.16 is: 864,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,717.04 : 965,017.72 = 579,472.16 : x
  2. Step 2: Convert to fraction form
    646,717.04/965,017.72 = 579,472.16/x
  3. Step 3: Cross multiply
    646,717.04x = 965,017.72 × 579,472.16
  4. Step 4: Simplify right side
    646,717.04x = 559,200,902,646.68
  5. Step 5: Solve for x
    x = 559,200,902,646.68/646,717.04
  6. Step 6: Final answer
    x = 864,676.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.