Finding the Fourth Proportional to 773,011.68, 1,068,220.08 and 581,691.84
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Solution
The fourth proportional to 773,011.68, 1,068,220.08 and 581,691.84 is: 803,836.37
Step by Step Solution
- Step 1: Write the proportion equation
773,011.68 : 1,068,220.08 = 581,691.84 : x - Step 2: Convert to fraction form
773,011.68/1,068,220.08 = 581,691.84/x - Step 3: Cross multiply
773,011.68x = 1,068,220.08 × 581,691.84 - Step 4: Simplify right side
773,011.68x = 621,374,903,860.15 - Step 5: Solve for x
x = 621,374,903,860.15/773,011.68 - Step 6: Final answer
x = 803,836.37
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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.