Finding the Fourth Proportional to 871,484.24, 1,306,854.84 and 331,648.40
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Solution
The fourth proportional to 871,484.24, 1,306,854.84 and 331,648.40 is: 497,331.22
Step by Step Solution
- Step 1: Write the proportion equation
871,484.24 : 1,306,854.84 = 331,648.40 : x - Step 2: Convert to fraction form
871,484.24/1,306,854.84 = 331,648.40/x - Step 3: Cross multiply
871,484.24x = 1,306,854.84 × 331,648.40 - Step 4: Simplify right side
871,484.24x = 433,416,316,718.26 - Step 5: Solve for x
x = 433,416,316,718.26/871,484.24 - Step 6: Final answer
x = 497,331.22
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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.