Finding the Fourth Proportional to 747,972.84, 1,032,206.31 and 408,441.12
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Solution
The fourth proportional to 747,972.84, 1,032,206.31 and 408,441.12 is: 563,650.82
Step by Step Solution
- Step 1: Write the proportion equation
747,972.84 : 1,032,206.31 = 408,441.12 : x - Step 2: Convert to fraction form
747,972.84/1,032,206.31 = 408,441.12/x - Step 3: Cross multiply
747,972.84x = 1,032,206.31 × 408,441.12 - Step 4: Simplify right side
747,972.84x = 421,595,501,327.47 - Step 5: Solve for x
x = 421,595,501,327.47/747,972.84 - Step 6: Final answer
x = 563,650.82
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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.