Finding the Fourth Proportional to 683,215.01, 942,825.99 and 377,283.79
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Solution
The fourth proportional to 683,215.01, 942,825.99 and 377,283.79 is: 520,645.71
Step by Step Solution
- Step 1: Write the proportion equation
683,215.01 : 942,825.99 = 377,283.79 : x - Step 2: Convert to fraction form
683,215.01/942,825.99 = 377,283.79/x - Step 3: Cross multiply
683,215.01x = 942,825.99 × 377,283.79 - Step 4: Simplify right side
683,215.01x = 355,712,962,817.70 - Step 5: Solve for x
x = 355,712,962,817.70/683,215.01 - Step 6: Final answer
x = 520,645.71
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1.5x scale
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.