Finding the Fourth Proportional to 488,331.40, 732,497.10 and 346,613.80
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Solution
The fourth proportional to 488,331.40, 732,497.10 and 346,613.80 is: 519,920.70
Step by Step Solution
- Step 1: Write the proportion equation
488,331.40 : 732,497.10 = 346,613.80 : x - Step 2: Convert to fraction form
488,331.40/732,497.10 = 346,613.80/x - Step 3: Cross multiply
488,331.40x = 732,497.10 × 346,613.80 - Step 4: Simplify right side
488,331.40x = 253,893,603,319.98 - Step 5: Solve for x
x = 253,893,603,319.98/488,331.40 - Step 6: Final answer
x = 519,920.70
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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.