Finding the Fourth Proportional to 633,348.77, 873,988.83 and 346,862.70
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Solution
The fourth proportional to 633,348.77, 873,988.83 and 346,862.70 is: 478,652.75
Step by Step Solution
- Step 1: Write the proportion equation
633,348.77 : 873,988.83 = 346,862.70 : x - Step 2: Convert to fraction form
633,348.77/873,988.83 = 346,862.70/x - Step 3: Cross multiply
633,348.77x = 873,988.83 × 346,862.70 - Step 4: Simplify right side
633,348.77x = 303,154,125,343.64 - Step 5: Solve for x
x = 303,154,125,343.64/633,348.77 - Step 6: Final answer
x = 478,652.75
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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.