Home / 851,931.36-1,175,668.56-469,952.64

Finding the Fourth Proportional to 851,931.36, 1,175,668.56 and 469,952.64

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Solution

The fourth proportional to 851,931.36, 1,175,668.56 and 469,952.64 is: 648,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,931.36 : 1,175,668.56 = 469,952.64 : x
  2. Step 2: Convert to fraction form
    851,931.36/1,175,668.56 = 469,952.64/x
  3. Step 3: Cross multiply
    851,931.36x = 1,175,668.56 × 469,952.64
  4. Step 4: Simplify right side
    851,931.36x = 552,508,543,537.00
  5. Step 5: Solve for x
    x = 552,508,543,537.00/851,931.36
  6. Step 6: Final answer
    x = 648,536.45

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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.