Finding the Fourth Proportional to 935,876.97, 1,291,510.98 and 506,156.58
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Solution
The fourth proportional to 935,876.97, 1,291,510.98 and 506,156.58 is: 698,496.49
Step by Step Solution
- Step 1: Write the proportion equation
935,876.97 : 1,291,510.98 = 506,156.58 : x - Step 2: Convert to fraction form
935,876.97/1,291,510.98 = 506,156.58/x - Step 3: Cross multiply
935,876.97x = 1,291,510.98 × 506,156.58 - Step 4: Simplify right side
935,876.97x = 653,706,780,669.25 - Step 5: Solve for x
x = 653,706,780,669.25/935,876.97 - Step 6: Final answer
x = 698,496.49
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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.