Finding the Fourth Proportional to 658,510.84, 908,746.32 and 356,704.84
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Solution
The fourth proportional to 658,510.84, 908,746.32 and 356,704.84 is: 492,253.42
Step by Step Solution
- Step 1: Write the proportion equation
658,510.84 : 908,746.32 = 356,704.84 : x - Step 2: Convert to fraction form
658,510.84/908,746.32 = 356,704.84/x - Step 3: Cross multiply
658,510.84x = 908,746.32 × 356,704.84 - Step 4: Simplify right side
658,510.84x = 324,154,210,676.19 - Step 5: Solve for x
x = 324,154,210,676.19/658,510.84 - Step 6: Final answer
x = 492,253.42
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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.