Finding the Fourth Proportional to 818,901.91, 1,130,089.05 and 474,941.69
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Solution
The fourth proportional to 818,901.91, 1,130,089.05 and 474,941.69 is: 655,422.09
Step by Step Solution
- Step 1: Write the proportion equation
818,901.91 : 1,130,089.05 = 474,941.69 : x - Step 2: Convert to fraction form
818,901.91/1,130,089.05 = 474,941.69/x - Step 3: Cross multiply
818,901.91x = 1,130,089.05 × 474,941.69 - Step 4: Simplify right side
818,901.91x = 536,726,401,844.88 - Step 5: Solve for x
x = 536,726,401,844.88/818,901.91 - Step 6: Final answer
x = 655,422.09
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1.5x scale
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.