Finding the Fourth Proportional to 849,330.99, 1,272,158.87 and 399,377.61
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Solution
The fourth proportional to 849,330.99, 1,272,158.87 and 399,377.61 is: 598,202.32
Step by Step Solution
- Step 1: Write the proportion equation
849,330.99 : 1,272,158.87 = 399,377.61 : x - Step 2: Convert to fraction form
849,330.99/1,272,158.87 = 399,377.61/x - Step 3: Cross multiply
849,330.99x = 1,272,158.87 × 399,377.61 - Step 4: Simplify right side
849,330.99x = 508,071,767,044.01 - Step 5: Solve for x
x = 508,071,767,044.01/849,330.99 - Step 6: Final answer
x = 598,202.32
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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.