Finding the Fourth Proportional to 564,685.17, 779,281.78 and 319,650.99
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Solution
The fourth proportional to 564,685.17, 779,281.78 and 319,650.99 is: 441,127.56
Step by Step Solution
- Step 1: Write the proportion equation
564,685.17 : 779,281.78 = 319,650.99 : x - Step 2: Convert to fraction form
564,685.17/779,281.78 = 319,650.99/x - Step 3: Cross multiply
564,685.17x = 779,281.78 × 319,650.99 - Step 4: Simplify right side
564,685.17x = 249,098,192,465.96 - Step 5: Solve for x
x = 249,098,192,465.96/564,685.17 - Step 6: Final answer
x = 441,127.56
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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.