Finding the Fourth Proportional to 570,832.65, 855,630.95 and 371,295.63
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Solution
The fourth proportional to 570,832.65, 855,630.95 and 371,295.63 is: 556,541.45
Step by Step Solution
- Step 1: Write the proportion equation
570,832.65 : 855,630.95 = 371,295.63 : x - Step 2: Convert to fraction form
570,832.65/855,630.95 = 371,295.63/x - Step 3: Cross multiply
570,832.65x = 855,630.95 × 371,295.63 - Step 4: Simplify right side
570,832.65x = 317,692,030,771.27 - Step 5: Solve for x
x = 317,692,030,771.27/570,832.65 - Step 6: Final answer
x = 556,541.45
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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.