Finding the Fourth Proportional to 924,980.84, 1,387,451.82 and 426,344.84
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Solution
The fourth proportional to 924,980.84, 1,387,451.82 and 426,344.84 is: 639,508.30
Step by Step Solution
- Step 1: Write the proportion equation
924,980.84 : 1,387,451.82 = 426,344.84 : x - Step 2: Convert to fraction form
924,980.84/1,387,451.82 = 426,344.84/x - Step 3: Cross multiply
924,980.84x = 1,387,451.82 × 426,344.84 - Step 4: Simplify right side
924,980.84x = 591,532,924,205.61 - Step 5: Solve for x
x = 591,532,924,205.61/924,980.84 - Step 6: Final answer
x = 639,508.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.