Finding the Fourth Proportional to 660,072.08, 910,901.22 and 358,266.08
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Solution
The fourth proportional to 660,072.08, 910,901.22 and 358,266.08 is: 494,408.14
Step by Step Solution
- Step 1: Write the proportion equation
660,072.08 : 910,901.22 = 358,266.08 : x - Step 2: Convert to fraction form
660,072.08/910,901.22 = 358,266.08/x - Step 3: Cross multiply
660,072.08x = 910,901.22 × 358,266.08 - Step 4: Simplify right side
660,072.08x = 326,345,009,356.62 - Step 5: Solve for x
x = 326,345,009,356.62/660,072.08 - Step 6: Final answer
x = 494,408.14
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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.