Home / 646,708.34-892,485.07-360,228.35

Finding the Fourth Proportional to 646,708.34, 892,485.07 and 360,228.35

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Solution

The fourth proportional to 646,708.34, 892,485.07 and 360,228.35 is: 497,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,708.34 : 892,485.07 = 360,228.35 : x
  2. Step 2: Convert to fraction form
    646,708.34/892,485.07 = 360,228.35/x
  3. Step 3: Cross multiply
    646,708.34x = 892,485.07 × 360,228.35
  4. Step 4: Simplify right side
    646,708.34x = 321,498,425,496.38
  5. Step 5: Solve for x
    x = 321,498,425,496.38/646,708.34
  6. Step 6: Final answer
    x = 497,130.48

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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.