Finding the Fourth Proportional to 817,778.08, 1,226,831.64 and 285,156.10
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Solution
The fourth proportional to 817,778.08, 1,226,831.64 and 285,156.10 is: 427,791.52
Step by Step Solution
- Step 1: Write the proportion equation
817,778.08 : 1,226,831.64 = 285,156.10 : x - Step 2: Convert to fraction form
817,778.08/1,226,831.64 = 285,156.10/x - Step 3: Cross multiply
817,778.08x = 1,226,831.64 × 285,156.10 - Step 4: Simplify right side
817,778.08x = 349,838,525,819.00 - Step 5: Solve for x
x = 349,838,525,819.00/817,778.08 - Step 6: Final answer
x = 427,791.52
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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.