Finding the Fourth Proportional to 969,462.68, 1,337,398.98 and 683,140.28
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Solution
The fourth proportional to 969,462.68, 1,337,398.98 and 683,140.28 is: 942,409.78
Step by Step Solution
- Step 1: Write the proportion equation
969,462.68 : 1,337,398.98 = 683,140.28 : x - Step 2: Convert to fraction form
969,462.68/1,337,398.98 = 683,140.28/x - Step 3: Cross multiply
969,462.68x = 1,337,398.98 × 683,140.28 - Step 4: Simplify right side
969,462.68x = 913,631,113,668.91 - Step 5: Solve for x
x = 913,631,113,668.91/969,462.68 - Step 6: Final answer
x = 942,409.78
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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.