Finding the Fourth Proportional to 977,284.20, 1,464,176.70 and 837,316.20
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Solution
The fourth proportional to 977,284.20, 1,464,176.70 and 837,316.20 is: 1,254,475.28
Step by Step Solution
- Step 1: Write the proportion equation
977,284.20 : 1,464,176.70 = 837,316.20 : x - Step 2: Convert to fraction form
977,284.20/1,464,176.70 = 837,316.20/x - Step 3: Cross multiply
977,284.20x = 1,464,176.70 × 837,316.20 - Step 4: Simplify right side
977,284.20x = 1,225,978,870,572.54 - Step 5: Solve for x
x = 1,225,978,870,572.54/977,284.20 - Step 6: Final answer
x = 1,254,475.28
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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.