Finding the Fourth Proportional to 891,602.70, 1,337,404.05 and 513,689.10
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Solution
The fourth proportional to 891,602.70, 1,337,404.05 and 513,689.10 is: 770,533.65
Step by Step Solution
- Step 1: Write the proportion equation
891,602.70 : 1,337,404.05 = 513,689.10 : x - Step 2: Convert to fraction form
891,602.70/1,337,404.05 = 513,689.10/x - Step 3: Cross multiply
891,602.70x = 1,337,404.05 × 513,689.10 - Step 4: Simplify right side
891,602.70x = 687,009,882,780.86 - Step 5: Solve for x
x = 687,009,882,780.86/891,602.70 - Step 6: Final answer
x = 770,533.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.