Finding the Fourth Proportional to 937,153.18, 1,293,272.19 and 507,433.54
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Solution
The fourth proportional to 937,153.18, 1,293,272.19 and 507,433.54 is: 700,258.72
Step by Step Solution
- Step 1: Write the proportion equation
937,153.18 : 1,293,272.19 = 507,433.54 : x - Step 2: Convert to fraction form
937,153.18/1,293,272.19 = 507,433.54/x - Step 3: Cross multiply
937,153.18x = 1,293,272.19 × 507,433.54 - Step 4: Simplify right side
937,153.18x = 656,249,685,555.25 - Step 5: Solve for x
x = 656,249,685,555.25/937,153.18 - Step 6: Final answer
x = 700,258.72
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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.