Finding the Fourth Proportional to 861,154.12, 1,291,468.42 and 692,273.96
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Solution
The fourth proportional to 861,154.12, 1,291,468.42 and 692,273.96 is: 1,038,199.71
Step by Step Solution
- Step 1: Write the proportion equation
861,154.12 : 1,291,468.42 = 692,273.96 : x - Step 2: Convert to fraction form
861,154.12/1,291,468.42 = 692,273.96/x - Step 3: Cross multiply
861,154.12x = 1,291,468.42 × 692,273.96 - Step 4: Simplify right side
861,154.12x = 894,049,957,328.34 - Step 5: Solve for x
x = 894,049,957,328.34/861,154.12 - Step 6: Final answer
x = 1,038,199.71
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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.