Finding the Fourth Proportional to 725,263.70, 1,087,895.35 and 226,627.70
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Solution
The fourth proportional to 725,263.70, 1,087,895.35 and 226,627.70 is: 339,941.49
Step by Step Solution
- Step 1: Write the proportion equation
725,263.70 : 1,087,895.35 = 226,627.70 : x - Step 2: Convert to fraction form
725,263.70/1,087,895.35 = 226,627.70/x - Step 3: Cross multiply
725,263.70x = 1,087,895.35 × 226,627.70 - Step 4: Simplify right side
725,263.70x = 246,547,219,878.06 - Step 5: Solve for x
x = 246,547,219,878.06/725,263.70 - Step 6: Final answer
x = 339,941.49
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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.