Home / 916,279.49-1,374,616.63-276,529.70

Finding the Fourth Proportional to 916,279.49, 1,374,616.63 and 276,529.70

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Solution

The fourth proportional to 916,279.49, 1,374,616.63 and 276,529.70 is: 414,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,279.49 : 1,374,616.63 = 276,529.70 : x
  2. Step 2: Convert to fraction form
    916,279.49/1,374,616.63 = 276,529.70/x
  3. Step 3: Cross multiply
    916,279.49x = 1,374,616.63 × 276,529.70
  4. Step 4: Simplify right side
    916,279.49x = 380,122,327,054.13
  5. Step 5: Solve for x
    x = 380,122,327,054.13/916,279.49
  6. Step 6: Final answer
    x = 414,854.13

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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.