Finding the Fourth Proportional to 891,681.24, 1,336,899.78 and 330,565.08
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Solution
The fourth proportional to 891,681.24, 1,336,899.78 and 330,565.08 is: 495,617.00
Step by Step Solution
- Step 1: Write the proportion equation
891,681.24 : 1,336,899.78 = 330,565.08 : x - Step 2: Convert to fraction form
891,681.24/1,336,899.78 = 330,565.08/x - Step 3: Cross multiply
891,681.24x = 1,336,899.78 × 330,565.08 - Step 4: Simplify right side
891,681.24x = 441,932,382,727.68 - Step 5: Solve for x
x = 441,932,382,727.68/891,681.24 - Step 6: Final answer
x = 495,617.00
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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.