Finding the Fourth Proportional to 684,606.03, 944,674.35 and 378,641.08
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Solution
The fourth proportional to 684,606.03, 944,674.35 and 378,641.08 is: 522,479.36
Step by Step Solution
- Step 1: Write the proportion equation
684,606.03 : 944,674.35 = 378,641.08 : x - Step 2: Convert to fraction form
684,606.03/944,674.35 = 378,641.08/x - Step 3: Cross multiply
684,606.03x = 944,674.35 × 378,641.08 - Step 4: Simplify right side
684,606.03x = 357,692,515,893.24 - Step 5: Solve for x
x = 357,692,515,893.24/684,606.03 - Step 6: Final answer
x = 522,479.36
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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.