Finding the Fourth Proportional to 559,088.19, 771,339.09 and 317,230.68
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Solution
The fourth proportional to 559,088.19, 771,339.09 and 317,230.68 is: 437,663.37
Step by Step Solution
- Step 1: Write the proportion equation
559,088.19 : 771,339.09 = 317,230.68 : x - Step 2: Convert to fraction form
559,088.19/771,339.09 = 317,230.68/x - Step 3: Cross multiply
559,088.19x = 771,339.09 × 317,230.68 - Step 4: Simplify right side
559,088.19x = 244,692,424,031.28 - Step 5: Solve for x
x = 244,692,424,031.28/559,088.19 - Step 6: Final answer
x = 437,663.37
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1.5x scale
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.