Finding the Fourth Proportional to 473,613.80, 710,420.70 and 341,421.80
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Solution
The fourth proportional to 473,613.80, 710,420.70 and 341,421.80 is: 512,132.70
Step by Step Solution
- Step 1: Write the proportion equation
473,613.80 : 710,420.70 = 341,421.80 : x - Step 2: Convert to fraction form
473,613.80/710,420.70 = 341,421.80/x - Step 3: Cross multiply
473,613.80x = 710,420.70 × 341,421.80 - Step 4: Simplify right side
473,613.80x = 242,553,114,151.26 - Step 5: Solve for x
x = 242,553,114,151.26/473,613.80 - Step 6: Final answer
x = 512,132.70
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Similar ratio
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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.