Finding the Fourth Proportional to 742,124.16, 1,024,129.17 and 402,592.32
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Solution
The fourth proportional to 742,124.16, 1,024,129.17 and 402,592.32 is: 555,576.22
Step by Step Solution
- Step 1: Write the proportion equation
742,124.16 : 1,024,129.17 = 402,592.32 : x - Step 2: Convert to fraction form
742,124.16/1,024,129.17 = 402,592.32/x - Step 3: Cross multiply
742,124.16x = 1,024,129.17 × 402,592.32 - Step 4: Simplify right side
742,124.16x = 412,306,538,529.97 - Step 5: Solve for x
x = 412,306,538,529.97/742,124.16 - Step 6: Final answer
x = 555,576.22
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1.5x scale
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.