Finding the Fourth Proportional to 691,533.68, 1,036,581.24 and 291,840.80
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Solution
The fourth proportional to 691,533.68, 1,036,581.24 and 291,840.80 is: 437,457.65
Step by Step Solution
- Step 1: Write the proportion equation
691,533.68 : 1,036,581.24 = 291,840.80 : x - Step 2: Convert to fraction form
691,533.68/1,036,581.24 = 291,840.80/x - Step 3: Cross multiply
691,533.68x = 1,036,581.24 × 291,840.80 - Step 4: Simplify right side
691,533.68x = 302,516,698,346.59 - Step 5: Solve for x
x = 302,516,698,346.59/691,533.68 - Step 6: Final answer
x = 437,457.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.