Finding the Fourth Proportional to 782,966.08, 1,174,442.64 and 465,319.36
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Solution
The fourth proportional to 782,966.08, 1,174,442.64 and 465,319.36 is: 697,975.19
Step by Step Solution
- Step 1: Write the proportion equation
782,966.08 : 1,174,442.64 = 465,319.36 : x - Step 2: Convert to fraction form
782,966.08/1,174,442.64 = 465,319.36/x - Step 3: Cross multiply
782,966.08x = 1,174,442.64 × 465,319.36 - Step 4: Simplify right side
782,966.08x = 546,490,897,601.51 - Step 5: Solve for x
x = 546,490,897,601.51/782,966.08 - Step 6: Final answer
x = 697,975.19
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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.