Finding the Fourth Proportional to 930,559.14, 1,393,877.04 and 425,545.14
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Solution
The fourth proportional to 930,559.14, 1,393,877.04 and 425,545.14 is: 637,420.64
Step by Step Solution
- Step 1: Write the proportion equation
930,559.14 : 1,393,877.04 = 425,545.14 : x - Step 2: Convert to fraction form
930,559.14/1,393,877.04 = 425,545.14/x - Step 3: Cross multiply
930,559.14x = 1,393,877.04 × 425,545.14 - Step 4: Simplify right side
930,559.14x = 593,157,600,129.59 - Step 5: Solve for x
x = 593,157,600,129.59/930,559.14 - Step 6: Final answer
x = 637,420.64
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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.