Finding the Fourth Proportional to 487,707.78, 673,266.84 and 366,895.08
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Solution
The fourth proportional to 487,707.78, 673,266.84 and 366,895.08 is: 506,488.31
Step by Step Solution
- Step 1: Write the proportion equation
487,707.78 : 673,266.84 = 366,895.08 : x - Step 2: Convert to fraction form
487,707.78/673,266.84 = 366,895.08/x - Step 3: Cross multiply
487,707.78x = 673,266.84 × 366,895.08 - Step 4: Simplify right side
487,707.78x = 247,018,291,123.15 - Step 5: Solve for x
x = 247,018,291,123.15/487,707.78 - Step 6: Final answer
x = 506,488.31
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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.