Finding the Fourth Proportional to 403,748.20, 604,966.20 and 347,323.60
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Solution
The fourth proportional to 403,748.20, 604,966.20 and 347,323.60 is: 520,420.99
Step by Step Solution
- Step 1: Write the proportion equation
403,748.20 : 604,966.20 = 347,323.60 : x - Step 2: Convert to fraction form
403,748.20/604,966.20 = 347,323.60/x - Step 3: Cross multiply
403,748.20x = 604,966.20 × 347,323.60 - Step 4: Simplify right side
403,748.20x = 210,119,038,462.32 - Step 5: Solve for x
x = 210,119,038,462.32/403,748.20 - Step 6: Final answer
x = 520,420.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.