Finding the Fourth Proportional to 526,726.84, 726,877.58 and 285,004.08
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Solution
The fourth proportional to 526,726.84, 726,877.58 and 285,004.08 is: 393,302.68
Step by Step Solution
- Step 1: Write the proportion equation
526,726.84 : 726,877.58 = 285,004.08 : x - Step 2: Convert to fraction form
526,726.84/726,877.58 = 285,004.08/x - Step 3: Cross multiply
526,726.84x = 726,877.58 × 285,004.08 - Step 4: Simplify right side
526,726.84x = 207,163,075,960.53 - Step 5: Solve for x
x = 207,163,075,960.53/526,726.84 - Step 6: Final answer
x = 393,302.68
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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.