Finding the Fourth Proportional to 566,119.02, 781,256.16 and 311,470.68
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Solution
The fourth proportional to 566,119.02, 781,256.16 and 311,470.68 is: 429,836.09
Step by Step Solution
- Step 1: Write the proportion equation
566,119.02 : 781,256.16 = 311,470.68 : x - Step 2: Convert to fraction form
566,119.02/781,256.16 = 311,470.68/x - Step 3: Cross multiply
566,119.02x = 781,256.16 × 311,470.68 - Step 4: Simplify right side
566,119.02x = 243,338,387,409.39 - Step 5: Solve for x
x = 243,338,387,409.39/566,119.02 - Step 6: Final answer
x = 429,836.09
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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.