Finding the Fourth Proportional to 527,384.05, 793,320.99 and 478,058.97
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Solution
The fourth proportional to 527,384.05, 793,320.99 and 478,058.97 is: 719,123.41
Step by Step Solution
- Step 1: Write the proportion equation
527,384.05 : 793,320.99 = 478,058.97 : x - Step 2: Convert to fraction form
527,384.05/793,320.99 = 478,058.97/x - Step 3: Cross multiply
527,384.05x = 793,320.99 × 478,058.97 - Step 4: Simplify right side
527,384.05x = 379,254,215,358.78 - Step 5: Solve for x
x = 379,254,215,358.78/527,384.05 - Step 6: Final answer
x = 719,123.41
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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.