Finding the Fourth Proportional to 749,261.52, 1,034,803.08 and 508,672.08
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Solution
The fourth proportional to 749,261.52, 1,034,803.08 and 508,672.08 is: 702,525.65
Step by Step Solution
- Step 1: Write the proportion equation
749,261.52 : 1,034,803.08 = 508,672.08 : x - Step 2: Convert to fraction form
749,261.52/1,034,803.08 = 508,672.08/x - Step 3: Cross multiply
749,261.52x = 1,034,803.08 × 508,672.08 - Step 4: Simplify right side
749,261.52x = 526,375,435,094.01 - Step 5: Solve for x
x = 526,375,435,094.01/749,261.52 - Step 6: Final answer
x = 702,525.65
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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.