Finding the Fourth Proportional to 688,118.77, 949,588.54 and 382,177.99
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Solution
The fourth proportional to 688,118.77, 949,588.54 and 382,177.99 is: 527,397.09
Step by Step Solution
- Step 1: Write the proportion equation
688,118.77 : 949,588.54 = 382,177.99 : x - Step 2: Convert to fraction form
688,118.77/949,588.54 = 382,177.99/x - Step 3: Cross multiply
688,118.77x = 949,588.54 × 382,177.99 - Step 4: Simplify right side
688,118.77x = 362,911,839,544.24 - Step 5: Solve for x
x = 362,911,839,544.24/688,118.77 - Step 6: Final answer
x = 527,397.09
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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.