Finding the Fourth Proportional to 868,972.06, 1,199,115.30 and 486,925.03
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Solution
The fourth proportional to 868,972.06, 1,199,115.30 and 486,925.03 is: 671,919.48
Step by Step Solution
- Step 1: Write the proportion equation
868,972.06 : 1,199,115.30 = 486,925.03 : x - Step 2: Convert to fraction form
868,972.06/1,199,115.30 = 486,925.03/x - Step 3: Cross multiply
868,972.06x = 1,199,115.30 × 486,925.03 - Step 4: Simplify right side
868,972.06x = 583,879,253,425.96 - Step 5: Solve for x
x = 583,879,253,425.96/868,972.06 - Step 6: Final answer
x = 671,919.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.