Finding the Fourth Proportional to 938,864.42, 1,295,610.09 and 536,430.50
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Solution
The fourth proportional to 938,864.42, 1,295,610.09 and 536,430.50 is: 740,261.06
Step by Step Solution
- Step 1: Write the proportion equation
938,864.42 : 1,295,610.09 = 536,430.50 : x - Step 2: Convert to fraction form
938,864.42/1,295,610.09 = 536,430.50/x - Step 3: Cross multiply
938,864.42x = 1,295,610.09 × 536,430.50 - Step 4: Simplify right side
938,864.42x = 695,004,768,383.75 - Step 5: Solve for x
x = 695,004,768,383.75/938,864.42 - Step 6: Final answer
x = 740,261.06
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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.