Finding the Fourth Proportional to 665,244.76, 918,037.56 and 359,320.99
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Solution
The fourth proportional to 665,244.76, 918,037.56 and 359,320.99 is: 495,862.85
Step by Step Solution
- Step 1: Write the proportion equation
665,244.76 : 918,037.56 = 359,320.99 : x - Step 2: Convert to fraction form
665,244.76/918,037.56 = 359,320.99/x - Step 3: Cross multiply
665,244.76x = 918,037.56 × 359,320.99 - Step 4: Simplify right side
665,244.76x = 329,870,164,916.38 - Step 5: Solve for x
x = 329,870,164,916.38/665,244.76 - Step 6: Final answer
x = 495,862.85
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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.