Finding the Fourth Proportional to 495,487.02, 746,536.17 and 448,156.74
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Solution
The fourth proportional to 495,487.02, 746,536.17 and 448,156.74 is: 675,224.99
Step by Step Solution
- Step 1: Write the proportion equation
495,487.02 : 746,536.17 = 448,156.74 : x - Step 2: Convert to fraction form
495,487.02/746,536.17 = 448,156.74/x - Step 3: Cross multiply
495,487.02x = 746,536.17 × 448,156.74 - Step 4: Simplify right side
495,487.02x = 334,565,216,239.29 - Step 5: Solve for x
x = 334,565,216,239.29/495,487.02 - Step 6: Final answer
x = 675,224.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.