Finding the Fourth Proportional to 617,369.76, 930,681.81 and 576,219.96
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Solution
The fourth proportional to 617,369.76, 930,681.81 and 576,219.96 is: 868,648.69
Step by Step Solution
- Step 1: Write the proportion equation
617,369.76 : 930,681.81 = 576,219.96 : x - Step 2: Convert to fraction form
617,369.76/930,681.81 = 576,219.96/x - Step 3: Cross multiply
617,369.76x = 930,681.81 × 576,219.96 - Step 4: Simplify right side
617,369.76x = 536,277,435,330.93 - Step 5: Solve for x
x = 536,277,435,330.93/617,369.76 - Step 6: Final answer
x = 868,648.69
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.