Home / 836,195.06-1,153,930.35-487,313.89

Finding the Fourth Proportional to 836,195.06, 1,153,930.35 and 487,313.89

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Solution

The fourth proportional to 836,195.06, 1,153,930.35 and 487,313.89 is: 672,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,195.06 : 1,153,930.35 = 487,313.89 : x
  2. Step 2: Convert to fraction form
    836,195.06/1,153,930.35 = 487,313.89/x
  3. Step 3: Cross multiply
    836,195.06x = 1,153,930.35 × 487,313.89
  4. Step 4: Simplify right side
    836,195.06x = 562,326,286,590.16
  5. Step 5: Solve for x
    x = 562,326,286,590.16/836,195.06
  6. Step 6: Final answer
    x = 672,482.19

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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.