Finding the Fourth Proportional to 572,801.24, 790,485.54 and 318,176.12
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Solution
The fourth proportional to 572,801.24, 790,485.54 and 318,176.12 is: 439,094.06
Step by Step Solution
- Step 1: Write the proportion equation
572,801.24 : 790,485.54 = 318,176.12 : x - Step 2: Convert to fraction form
572,801.24/790,485.54 = 318,176.12/x - Step 3: Cross multiply
572,801.24x = 790,485.54 × 318,176.12 - Step 4: Simplify right side
572,801.24x = 251,513,622,033.31 - Step 5: Solve for x
x = 251,513,622,033.31/572,801.24 - Step 6: Final answer
x = 439,094.06
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1.5x scale
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.