Finding the Fourth Proportional to 487,332.64, 730,243.68 and 337,863.52
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Solution
The fourth proportional to 487,332.64, 730,243.68 and 337,863.52 is: 506,271.65
Step by Step Solution
- Step 1: Write the proportion equation
487,332.64 : 730,243.68 = 337,863.52 : x - Step 2: Convert to fraction form
487,332.64/730,243.68 = 337,863.52/x - Step 3: Cross multiply
487,332.64x = 730,243.68 × 337,863.52 - Step 4: Simplify right side
487,332.64x = 246,722,700,182.55 - Step 5: Solve for x
x = 246,722,700,182.55/487,332.64 - Step 6: Final answer
x = 506,271.65
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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.