Finding the Fourth Proportional to 709,804.49, 1,064,671.34 and 260,490.01
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Solution
The fourth proportional to 709,804.49, 1,064,671.34 and 260,490.01 is: 390,722.02
Step by Step Solution
- Step 1: Write the proportion equation
709,804.49 : 1,064,671.34 = 260,490.01 : x - Step 2: Convert to fraction form
709,804.49/1,064,671.34 = 260,490.01/x - Step 3: Cross multiply
709,804.49x = 1,064,671.34 × 260,490.01 - Step 4: Simplify right side
709,804.49x = 277,336,245,992.86 - Step 5: Solve for x
x = 277,336,245,992.86/709,804.49 - Step 6: Final answer
x = 390,722.02
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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.