Finding the Fourth Proportional to 743,725.08, 1,026,834.84 and 571,336.02
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Solution
The fourth proportional to 743,725.08, 1,026,834.84 and 571,336.02 is: 788,823.38
Step by Step Solution
- Step 1: Write the proportion equation
743,725.08 : 1,026,834.84 = 571,336.02 : x - Step 2: Convert to fraction form
743,725.08/1,026,834.84 = 571,336.02/x - Step 3: Cross multiply
743,725.08x = 1,026,834.84 × 571,336.02 - Step 4: Simplify right side
743,725.08x = 586,667,730,682.94 - Step 5: Solve for x
x = 586,667,730,682.94/743,725.08 - Step 6: Final answer
x = 788,823.38
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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.