Finding the Fourth Proportional to 905,512.18, 1,249,086.42 and 565,389.94
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Solution
The fourth proportional to 905,512.18, 1,249,086.42 and 565,389.94 is: 779,913.19
Step by Step Solution
- Step 1: Write the proportion equation
905,512.18 : 1,249,086.42 = 565,389.94 : x - Step 2: Convert to fraction form
905,512.18/1,249,086.42 = 565,389.94/x - Step 3: Cross multiply
905,512.18x = 1,249,086.42 × 565,389.94 - Step 4: Simplify right side
905,512.18x = 706,220,896,058.62 - Step 5: Solve for x
x = 706,220,896,058.62/905,512.18 - Step 6: Final answer
x = 779,913.19
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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.