Finding the Fourth Proportional to 564,341.24, 778,810.74 and 309,694.52
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Solution
The fourth proportional to 564,341.24, 778,810.74 and 309,694.52 is: 427,389.32
Step by Step Solution
- Step 1: Write the proportion equation
564,341.24 : 778,810.74 = 309,694.52 : x - Step 2: Convert to fraction form
564,341.24/778,810.74 = 309,694.52/x - Step 3: Cross multiply
564,341.24x = 778,810.74 × 309,694.52 - Step 4: Simplify right side
564,341.24x = 241,193,418,295.15 - Step 5: Solve for x
x = 241,193,418,295.15/564,341.24 - Step 6: Final answer
x = 427,389.32
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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.