Finding the Fourth Proportional to 688,434.84, 950,036.99 and 382,561.02
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Solution
The fourth proportional to 688,434.84, 950,036.99 and 382,561.02 is: 527,932.49
Step by Step Solution
- Step 1: Write the proportion equation
688,434.84 : 950,036.99 = 382,561.02 : x - Step 2: Convert to fraction form
688,434.84/950,036.99 = 382,561.02/x - Step 3: Cross multiply
688,434.84x = 950,036.99 × 382,561.02 - Step 4: Simplify right side
688,434.84x = 363,447,118,019.33 - Step 5: Solve for x
x = 363,447,118,019.33/688,434.84 - Step 6: Final answer
x = 527,932.49
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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.