Finding the Fourth Proportional to 891,719.16, 1,337,297.75 and 292,540.70
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Solution
The fourth proportional to 891,719.16, 1,337,297.75 and 292,540.70 is: 438,718.86
Step by Step Solution
- Step 1: Write the proportion equation
891,719.16 : 1,337,297.75 = 292,540.70 : x - Step 2: Convert to fraction form
891,719.16/1,337,297.75 = 292,540.70/x - Step 3: Cross multiply
891,719.16x = 1,337,297.75 × 292,540.70 - Step 4: Simplify right side
891,719.16x = 391,214,011,744.23 - Step 5: Solve for x
x = 391,214,011,744.23/891,719.16 - Step 6: Final answer
x = 438,718.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.