Finding the Fourth Proportional to 861,195.84, 1,291,881.84 and 329,164.68
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Solution
The fourth proportional to 861,195.84, 1,291,881.84 and 329,164.68 is: 493,780.69
Step by Step Solution
- Step 1: Write the proportion equation
861,195.84 : 1,291,881.84 = 329,164.68 : x - Step 2: Convert to fraction form
861,195.84/1,291,881.84 = 329,164.68/x - Step 3: Cross multiply
861,195.84x = 1,291,881.84 × 329,164.68 - Step 4: Simplify right side
861,195.84x = 425,241,872,461.41 - Step 5: Solve for x
x = 425,241,872,461.41/861,195.84 - Step 6: Final answer
x = 493,780.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.