Home / 830,547.48-1,245,613.86-269,742.36

Finding the Fourth Proportional to 830,547.48, 1,245,613.86 and 269,742.36

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Solution

The fourth proportional to 830,547.48, 1,245,613.86 and 269,742.36 is: 404,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,547.48 : 1,245,613.86 = 269,742.36 : x
  2. Step 2: Convert to fraction form
    830,547.48/1,245,613.86 = 269,742.36/x
  3. Step 3: Cross multiply
    830,547.48x = 1,245,613.86 × 269,742.36
  4. Step 4: Simplify right side
    830,547.48x = 335,994,822,245.11
  5. Step 5: Solve for x
    x = 335,994,822,245.11/830,547.48
  6. Step 6: Final answer
    x = 404,546.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.