Finding the Fourth Proportional to 875,880.68, 1,208,908.84 and 569,423.66
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Solution
The fourth proportional to 875,880.68, 1,208,908.84 and 569,423.66 is: 785,930.45
Step by Step Solution
- Step 1: Write the proportion equation
875,880.68 : 1,208,908.84 = 569,423.66 : x - Step 2: Convert to fraction form
875,880.68/1,208,908.84 = 569,423.66/x - Step 3: Cross multiply
875,880.68x = 1,208,908.84 × 569,423.66 - Step 4: Simplify right side
875,880.68x = 688,381,296,279.16 - Step 5: Solve for x
x = 688,381,296,279.16/875,880.68 - Step 6: Final answer
x = 785,930.45
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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.