Finding the Fourth Proportional to 489,587.94, 732,938.49 and 477,515.70
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Solution
The fourth proportional to 489,587.94, 732,938.49 and 477,515.70 is: 714,865.72
Step by Step Solution
- Step 1: Write the proportion equation
489,587.94 : 732,938.49 = 477,515.70 : x - Step 2: Convert to fraction form
489,587.94/732,938.49 = 477,515.70/x - Step 3: Cross multiply
489,587.94x = 732,938.49 × 477,515.70 - Step 4: Simplify right side
489,587.94x = 349,989,636,109.29 - Step 5: Solve for x
x = 349,989,636,109.29/489,587.94 - Step 6: Final answer
x = 714,865.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.