Finding the Fourth Proportional to 817,726.14, 1,226,749.68 and 285,264.54
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Solution
The fourth proportional to 817,726.14, 1,226,749.68 and 285,264.54 is: 427,952.79
Step by Step Solution
- Step 1: Write the proportion equation
817,726.14 : 1,226,749.68 = 285,264.54 : x - Step 2: Convert to fraction form
817,726.14/1,226,749.68 = 285,264.54/x - Step 3: Cross multiply
817,726.14x = 1,226,749.68 × 285,264.54 - Step 4: Simplify right side
817,726.14x = 349,948,183,160.35 - Step 5: Solve for x
x = 349,948,183,160.35/817,726.14 - Step 6: Final answer
x = 427,952.79
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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.