Finding the Fourth Proportional to 698,089.98, 963,363.64 and 396,283.98
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Solution
The fourth proportional to 698,089.98, 963,363.64 and 396,283.98 is: 546,871.59
Step by Step Solution
- Step 1: Write the proportion equation
698,089.98 : 963,363.64 = 396,283.98 : x - Step 2: Convert to fraction form
698,089.98/963,363.64 = 396,283.98/x - Step 3: Cross multiply
698,089.98x = 963,363.64 × 396,283.98 - Step 4: Simplify right side
698,089.98x = 381,765,577,446.49 - Step 5: Solve for x
x = 381,765,577,446.49/698,089.98 - Step 6: Final answer
x = 546,871.59
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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.