Finding the Fourth Proportional to 586,159.68, 808,954.08 and 368,403.72
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Solution
The fourth proportional to 586,159.68, 808,954.08 and 368,403.72 is: 508,430.90
Step by Step Solution
- Step 1: Write the proportion equation
586,159.68 : 808,954.08 = 368,403.72 : x - Step 2: Convert to fraction form
586,159.68/808,954.08 = 368,403.72/x - Step 3: Cross multiply
586,159.68x = 808,954.08 × 368,403.72 - Step 4: Simplify right side
586,159.68x = 298,021,692,381.18 - Step 5: Solve for x
x = 298,021,692,381.18/586,159.68 - Step 6: Final answer
x = 508,430.90
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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.