Finding the Fourth Proportional to 874,373.19, 1,206,637.73 and 506,921.95
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Solution
The fourth proportional to 874,373.19, 1,206,637.73 and 506,921.95 is: 699,553.87
Step by Step Solution
- Step 1: Write the proportion equation
874,373.19 : 1,206,637.73 = 506,921.95 : x - Step 2: Convert to fraction form
874,373.19/1,206,637.73 = 506,921.95/x - Step 3: Cross multiply
874,373.19x = 1,206,637.73 × 506,921.95 - Step 4: Simplify right side
874,373.19x = 611,671,151,035.17 - Step 5: Solve for x
x = 611,671,151,035.17/874,373.19 - Step 6: Final answer
x = 699,553.87
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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.