Home / 400,623.74-552,860.86-219,347.18

Finding the Fourth Proportional to 400,623.74, 552,860.86 and 219,347.18

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Solution

The fourth proportional to 400,623.74, 552,860.86 and 219,347.18 is: 302,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,623.74 : 552,860.86 = 219,347.18 : x
  2. Step 2: Convert to fraction form
    400,623.74/552,860.86 = 219,347.18/x
  3. Step 3: Cross multiply
    400,623.74x = 552,860.86 × 219,347.18
  4. Step 4: Simplify right side
    400,623.74x = 121,268,470,573.38
  5. Step 5: Solve for x
    x = 121,268,470,573.38/400,623.74
  6. Step 6: Final answer
    x = 302,699.16

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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.