Finding the Fourth Proportional to 655,053.41, 903,913.90 and 383,073.99
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Solution
The fourth proportional to 655,053.41, 903,913.90 and 383,073.99 is: 528,607.13
Step by Step Solution
- Step 1: Write the proportion equation
655,053.41 : 903,913.90 = 383,073.99 : x - Step 2: Convert to fraction form
655,053.41/903,913.90 = 383,073.99/x - Step 3: Cross multiply
655,053.41x = 903,913.90 × 383,073.99 - Step 4: Simplify right side
655,053.41x = 346,265,903,331.78 - Step 5: Solve for x
x = 346,265,903,331.78/655,053.41 - Step 6: Final answer
x = 528,607.13
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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.