Finding the Fourth Proportional to 570,610.36, 787,432.68 and 315,956.08
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Solution
The fourth proportional to 570,610.36, 787,432.68 and 315,956.08 is: 436,014.07
Step by Step Solution
- Step 1: Write the proportion equation
570,610.36 : 787,432.68 = 315,956.08 : x - Step 2: Convert to fraction form
570,610.36/787,432.68 = 315,956.08/x - Step 3: Cross multiply
570,610.36x = 787,432.68 × 315,956.08 - Step 4: Simplify right side
570,610.36x = 248,794,142,836.69 - Step 5: Solve for x
x = 248,794,142,836.69/570,610.36 - Step 6: Final answer
x = 436,014.07
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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.