Finding the Fourth Proportional to 974,775.70, 1,461,645.15 and 413,175.70
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Solution
The fourth proportional to 974,775.70, 1,461,645.15 and 413,175.70 is: 619,543.82
Step by Step Solution
- Step 1: Write the proportion equation
974,775.70 : 1,461,645.15 = 413,175.70 : x - Step 2: Convert to fraction form
974,775.70/1,461,645.15 = 413,175.70/x - Step 3: Cross multiply
974,775.70x = 1,461,645.15 × 413,175.70 - Step 4: Simplify right side
974,775.70x = 603,916,258,002.86 - Step 5: Solve for x
x = 603,916,258,002.86/974,775.70 - Step 6: Final answer
x = 619,543.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.