Finding the Fourth Proportional to 563,702.68, 777,917.28 and 309,053.26
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Solution
The fourth proportional to 563,702.68, 777,917.28 and 309,053.26 is: 426,497.66
Step by Step Solution
- Step 1: Write the proportion equation
563,702.68 : 777,917.28 = 309,053.26 : x - Step 2: Convert to fraction form
563,702.68/777,917.28 = 309,053.26/x - Step 3: Cross multiply
563,702.68x = 777,917.28 × 309,053.26 - Step 4: Simplify right side
563,702.68x = 240,417,871,394.33 - Step 5: Solve for x
x = 240,417,871,394.33/563,702.68 - Step 6: Final answer
x = 426,497.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.