Finding the Fourth Proportional to 570,676.62, 787,533.95 and 316,027.80
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Solution
The fourth proportional to 570,676.62, 787,533.95 and 316,027.80 is: 436,118.48
Step by Step Solution
- Step 1: Write the proportion equation
570,676.62 : 787,533.95 = 316,027.80 : x - Step 2: Convert to fraction form
570,676.62/787,533.95 = 316,027.80/x - Step 3: Cross multiply
570,676.62x = 787,533.95 × 316,027.80 - Step 4: Simplify right side
570,676.62x = 248,882,621,643.81 - Step 5: Solve for x
x = 248,882,621,643.81/570,676.62 - Step 6: Final answer
x = 436,118.48
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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.