Finding the Fourth Proportional to 664,363.05, 928,008.75 and 664,363.05
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Solution
The fourth proportional to 664,363.05, 928,008.75 and 664,363.05 is: 928,008.75
Step by Step Solution
- Step 1: Write the proportion equation
664,363.05 : 928,008.75 = 664,363.05 : x - Step 2: Convert to fraction form
664,363.05/928,008.75 = 664,363.05/x - Step 3: Cross multiply
664,363.05x = 928,008.75 × 664,363.05 - Step 4: Simplify right side
664,363.05x = 616,534,723,576.69 - Step 5: Solve for x
x = 616,534,723,576.69/664,363.05 - Step 6: Final answer
x = 928,008.75
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.