Finding the Fourth Proportional to 651,038.70, 975,974.85 and 426,506.70
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Solution
The fourth proportional to 651,038.70, 975,974.85 and 426,506.70 is: 639,377.99
Step by Step Solution
- Step 1: Write the proportion equation
651,038.70 : 975,974.85 = 426,506.70 : x - Step 2: Convert to fraction form
651,038.70/975,974.85 = 426,506.70/x - Step 3: Cross multiply
651,038.70x = 975,974.85 × 426,506.70 - Step 4: Simplify right side
651,038.70x = 416,259,812,556.50 - Step 5: Solve for x
x = 416,259,812,556.50/651,038.70 - Step 6: Final answer
x = 639,377.99
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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.