Finding the Fourth Proportional to 535,373.68, 739,683.48 and 455,643.76
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Solution
The fourth proportional to 535,373.68, 739,683.48 and 455,643.76 is: 629,526.95
Step by Step Solution
- Step 1: Write the proportion equation
535,373.68 : 739,683.48 = 455,643.76 : x - Step 2: Convert to fraction form
535,373.68/739,683.48 = 455,643.76/x - Step 3: Cross multiply
535,373.68x = 739,683.48 × 455,643.76 - Step 4: Simplify right side
535,373.68x = 337,032,162,037.09 - Step 5: Solve for x
x = 337,032,162,037.09/535,373.68 - Step 6: Final answer
x = 629,526.95
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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.