Finding the Fourth Proportional to 759,217.84, 1,047,733.05 and 453,320.95
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Solution
The fourth proportional to 759,217.84, 1,047,733.05 and 453,320.95 is: 625,590.33
Step by Step Solution
- Step 1: Write the proportion equation
759,217.84 : 1,047,733.05 = 453,320.95 : x - Step 2: Convert to fraction form
759,217.84/1,047,733.05 = 453,320.95/x - Step 3: Cross multiply
759,217.84x = 1,047,733.05 × 453,320.95 - Step 4: Simplify right side
759,217.84x = 474,959,341,572.40 - Step 5: Solve for x
x = 474,959,341,572.40/759,217.84 - Step 6: Final answer
x = 625,590.33
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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.