Home / 646,629.27-892,347.80-374,854.52

Finding the Fourth Proportional to 646,629.27, 892,347.80 and 374,854.52

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Solution

The fourth proportional to 646,629.27, 892,347.80 and 374,854.52 is: 517,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,629.27 : 892,347.80 = 374,854.52 : x
  2. Step 2: Convert to fraction form
    646,629.27/892,347.80 = 374,854.52/x
  3. Step 3: Cross multiply
    646,629.27x = 892,347.80 × 374,854.52
  4. Step 4: Simplify right side
    646,629.27x = 334,500,606,242.06
  5. Step 5: Solve for x
    x = 334,500,606,242.06/646,629.27
  6. Step 6: Final answer
    x = 517,298.89

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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.