Finding the Fourth Proportional to 759,306.60, 1,048,106.96 and 437,145.08
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Solution
The fourth proportional to 759,306.60, 1,048,106.96 and 437,145.08 is: 603,412.11
Step by Step Solution
- Step 1: Write the proportion equation
759,306.60 : 1,048,106.96 = 437,145.08 : x - Step 2: Convert to fraction form
759,306.60/1,048,106.96 = 437,145.08/x - Step 3: Cross multiply
759,306.60x = 1,048,106.96 × 437,145.08 - Step 4: Simplify right side
759,306.60x = 458,174,800,877.76 - Step 5: Solve for x
x = 458,174,800,877.76/759,306.60 - Step 6: Final answer
x = 603,412.11
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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.