Finding the Fourth Proportional to 871,056.13, 1,201,945.98 and 508,396.81
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Solution
The fourth proportional to 871,056.13, 1,201,945.98 and 508,396.81 is: 701,522.53
Step by Step Solution
- Step 1: Write the proportion equation
871,056.13 : 1,201,945.98 = 508,396.81 : x - Step 2: Convert to fraction form
871,056.13/1,201,945.98 = 508,396.81/x - Step 3: Cross multiply
871,056.13x = 1,201,945.98 × 508,396.81 - Step 4: Simplify right side
871,056.13x = 611,065,502,024.32 - Step 5: Solve for x
x = 611,065,502,024.32/871,056.13 - Step 6: Final answer
x = 701,522.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.