Finding the Fourth Proportional to 464,749.80, 697,124.70 and 371,437.80
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Solution
The fourth proportional to 464,749.80, 697,124.70 and 371,437.80 is: 557,156.70
Step by Step Solution
- Step 1: Write the proportion equation
464,749.80 : 697,124.70 = 371,437.80 : x - Step 2: Convert to fraction form
464,749.80/697,124.70 = 371,437.80/x - Step 3: Cross multiply
464,749.80x = 697,124.70 × 371,437.80 - Step 4: Simplify right side
464,749.80x = 258,938,464,893.66 - Step 5: Solve for x
x = 258,938,464,893.66/464,749.80 - Step 6: Final answer
x = 557,156.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.