Finding the Fourth Proportional to 698,068.80, 963,424.80 and 471,700.80
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Solution
The fourth proportional to 698,068.80, 963,424.80 and 471,700.80 is: 651,007.82
Step by Step Solution
- Step 1: Write the proportion equation
698,068.80 : 963,424.80 = 471,700.80 : x - Step 2: Convert to fraction form
698,068.80/963,424.80 = 471,700.80/x - Step 3: Cross multiply
698,068.80x = 963,424.80 × 471,700.80 - Step 4: Simplify right side
698,068.80x = 454,448,248,899.84 - Step 5: Solve for x
x = 454,448,248,899.84/698,068.80 - Step 6: Final answer
x = 651,007.82
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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.