Home / 646,784.66-892,590.36-360,304.68

Finding the Fourth Proportional to 646,784.66, 892,590.36 and 360,304.68

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Solution

The fourth proportional to 646,784.66, 892,590.36 and 360,304.68 is: 497,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,784.66 : 892,590.36 = 360,304.68 : x
  2. Step 2: Convert to fraction form
    646,784.66/892,590.36 = 360,304.68/x
  3. Step 3: Cross multiply
    646,784.66x = 892,590.36 × 360,304.68
  4. Step 4: Simplify right side
    646,784.66x = 321,604,484,030.89
  5. Step 5: Solve for x
    x = 321,604,484,030.89/646,784.66
  6. Step 6: Final answer
    x = 497,235.79

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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.