Finding the Fourth Proportional to 493,531.38, 735,963.35 and 489,040.74
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Solution
The fourth proportional to 493,531.38, 735,963.35 and 489,040.74 is: 729,266.82
Step by Step Solution
- Step 1: Write the proportion equation
493,531.38 : 735,963.35 = 489,040.74 : x - Step 2: Convert to fraction form
493,531.38/735,963.35 = 489,040.74/x - Step 3: Cross multiply
493,531.38x = 735,963.35 × 489,040.74 - Step 4: Simplify right side
493,531.38x = 359,916,058,851.68 - Step 5: Solve for x
x = 359,916,058,851.68/493,531.38 - Step 6: Final answer
x = 729,266.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.