Finding the Fourth Proportional to 702,572.40, 969,584.18 and 430,655.40
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Solution
The fourth proportional to 702,572.40, 969,584.18 and 430,655.40 is: 594,325.45
Step by Step Solution
- Step 1: Write the proportion equation
702,572.40 : 969,584.18 = 430,655.40 : x - Step 2: Convert to fraction form
702,572.40/969,584.18 = 430,655.40/x - Step 3: Cross multiply
702,572.40x = 969,584.18 × 430,655.40 - Step 4: Simplify right side
702,572.40x = 417,556,660,718.30 - Step 5: Solve for x
x = 417,556,660,718.30/702,572.40 - Step 6: Final answer
x = 594,325.45
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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.