Finding the Fourth Proportional to 742,372.92, 1,024,494.48 and 402,841.44
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Solution
The fourth proportional to 742,372.92, 1,024,494.48 and 402,841.44 is: 555,931.96
Step by Step Solution
- Step 1: Write the proportion equation
742,372.92 : 1,024,494.48 = 402,841.44 : x - Step 2: Convert to fraction form
742,372.92/1,024,494.48 = 402,841.44/x - Step 3: Cross multiply
742,372.92x = 1,024,494.48 × 402,841.44 - Step 4: Simplify right side
742,372.92x = 412,708,831,595.25 - Step 5: Solve for x
x = 412,708,831,595.25/742,372.92 - Step 6: Final answer
x = 555,931.96
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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.