Finding the Fourth Proportional to 570,762.08, 787,658.28 and 316,117.52
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Solution
The fourth proportional to 570,762.08, 787,658.28 and 316,117.52 is: 436,245.84
Step by Step Solution
- Step 1: Write the proportion equation
570,762.08 : 787,658.28 = 316,117.52 : x - Step 2: Convert to fraction form
570,762.08/787,658.28 = 316,117.52/x - Step 3: Cross multiply
570,762.08x = 787,658.28 × 316,117.52 - Step 4: Simplify right side
570,762.08x = 248,992,582,081.07 - Step 5: Solve for x
x = 248,992,582,081.07/570,762.08 - Step 6: Final answer
x = 436,245.84
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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.