Finding the Fourth Proportional to 658,846.03, 909,201.15 and 368,454.38
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Solution
The fourth proportional to 658,846.03, 909,201.15 and 368,454.38 is: 508,463.48
Step by Step Solution
- Step 1: Write the proportion equation
658,846.03 : 909,201.15 = 368,454.38 : x - Step 2: Convert to fraction form
658,846.03/909,201.15 = 368,454.38/x - Step 3: Cross multiply
658,846.03x = 909,201.15 × 368,454.38 - Step 4: Simplify right side
658,846.03x = 334,999,142,854.24 - Step 5: Solve for x
x = 334,999,142,854.24/658,846.03 - Step 6: Final answer
x = 508,463.48
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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.