Finding the Fourth Proportional to 698,905.62, 964,257.78 and 569,621.78
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Solution
The fourth proportional to 698,905.62, 964,257.78 and 569,621.78 is: 785,888.99
Step by Step Solution
- Step 1: Write the proportion equation
698,905.62 : 964,257.78 = 569,621.78 : x - Step 2: Convert to fraction form
698,905.62/964,257.78 = 569,621.78/x - Step 3: Cross multiply
698,905.62x = 964,257.78 × 569,621.78 - Step 4: Simplify right side
698,905.62x = 549,262,233,022.45 - Step 5: Solve for x
x = 549,262,233,022.45/698,905.62 - Step 6: Final answer
x = 785,888.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.