Finding the Fourth Proportional to 772,811.99, 1,066,113.29 and 514,808.87
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Solution
The fourth proportional to 772,811.99, 1,066,113.29 and 514,808.87 is: 710,191.59
Step by Step Solution
- Step 1: Write the proportion equation
772,811.99 : 1,066,113.29 = 514,808.87 : x - Step 2: Convert to fraction form
772,811.99/1,066,113.29 = 514,808.87/x - Step 3: Cross multiply
772,811.99x = 1,066,113.29 × 514,808.87 - Step 4: Simplify right side
772,811.99x = 548,844,574,073.34 - Step 5: Solve for x
x = 548,844,574,073.34/772,811.99 - Step 6: Final answer
x = 710,191.59
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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.