Finding the Fourth Proportional to 855,706.84, 1,180,830.48 and 468,448.07
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Solution
The fourth proportional to 855,706.84, 1,180,830.48 and 468,448.07 is: 646,433.72
Step by Step Solution
- Step 1: Write the proportion equation
855,706.84 : 1,180,830.48 = 468,448.07 : x - Step 2: Convert to fraction form
855,706.84/1,180,830.48 = 468,448.07/x - Step 3: Cross multiply
855,706.84x = 1,180,830.48 × 468,448.07 - Step 4: Simplify right side
855,706.84x = 553,157,759,353.17 - Step 5: Solve for x
x = 553,157,759,353.17/855,706.84 - Step 6: Final answer
x = 646,433.72
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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.