Home / 912,609.54-1,368,809.74-238,755.88

Finding the Fourth Proportional to 912,609.54, 1,368,809.74 and 238,755.88

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Solution

The fourth proportional to 912,609.54, 1,368,809.74 and 238,755.88 is: 358,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,609.54 : 1,368,809.74 = 238,755.88 : x
  2. Step 2: Convert to fraction form
    912,609.54/1,368,809.74 = 238,755.88/x
  3. Step 3: Cross multiply
    912,609.54x = 1,368,809.74 × 238,755.88
  4. Step 4: Simplify right side
    912,609.54x = 326,811,374,026.27
  5. Step 5: Solve for x
    x = 326,811,374,026.27/912,609.54
  6. Step 6: Final answer
    x = 358,106.46

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1.5x scale

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.