Finding the Fourth Proportional to 977,528, 1,348,509.30 and 848,285.12
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Solution
The fourth proportional to 977,528, 1,348,509.30 and 848,285.12 is: 1,170,217.50
Step by Step Solution
- Step 1: Write the proportion equation
977,528 : 1,348,509.30 = 848,285.12 : x - Step 2: Convert to fraction form
977,528/1,348,509.30 = 848,285.12/x - Step 3: Cross multiply
977,528x = 1,348,509.30 × 848,285.12 - Step 4: Simplify right side
977,528x = 1,143,920,373,371.62 - Step 5: Solve for x
x = 1,143,920,373,371.62/977,528 - Step 6: Final answer
x = 1,170,217.50
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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.