Finding the Fourth Proportional to 524,193.80, 785,124.30 and 430,881.80
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Solution
The fourth proportional to 524,193.80, 785,124.30 and 430,881.80 is: 645,363.93
Step by Step Solution
- Step 1: Write the proportion equation
524,193.80 : 785,124.30 = 430,881.80 : x - Step 2: Convert to fraction form
524,193.80/785,124.30 = 430,881.80/x - Step 3: Cross multiply
524,193.80x = 785,124.30 × 430,881.80 - Step 4: Simplify right side
524,193.80x = 338,295,771,607.74 - Step 5: Solve for x
x = 338,295,771,607.74/524,193.80 - Step 6: Final answer
x = 645,363.93
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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.