Finding the Fourth Proportional to 865,542.08, 1,296,377.12 and 500,356.24
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Solution
The fourth proportional to 865,542.08, 1,296,377.12 and 500,356.24 is: 749,415.19
Step by Step Solution
- Step 1: Write the proportion equation
865,542.08 : 1,296,377.12 = 500,356.24 : x - Step 2: Convert to fraction form
865,542.08/1,296,377.12 = 500,356.24/x - Step 3: Cross multiply
865,542.08x = 1,296,377.12 × 500,356.24 - Step 4: Simplify right side
865,542.08x = 648,650,381,385.23 - Step 5: Solve for x
x = 648,650,381,385.23/865,542.08 - Step 6: Final answer
x = 749,415.19
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1.5x scale
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.