Finding the Fourth Proportional to 805,050.65, 1,207,575.98 and 299,598.50
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Solution
The fourth proportional to 805,050.65, 1,207,575.98 and 299,598.50 is: 449,397.75
Step by Step Solution
- Step 1: Write the proportion equation
805,050.65 : 1,207,575.98 = 299,598.50 : x - Step 2: Convert to fraction form
805,050.65/1,207,575.98 = 299,598.50/x - Step 3: Cross multiply
805,050.65x = 1,207,575.98 × 299,598.50 - Step 4: Simplify right side
805,050.65x = 361,787,952,558.35 - Step 5: Solve for x
x = 361,787,952,558.35/805,050.65 - Step 6: Final answer
x = 449,397.75
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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.