Finding the Fourth Proportional to 606,201.40, 907,746.90 and 578,207.80
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Solution
The fourth proportional to 606,201.40, 907,746.90 and 578,207.80 is: 865,828.32
Step by Step Solution
- Step 1: Write the proportion equation
606,201.40 : 907,746.90 = 578,207.80 : x - Step 2: Convert to fraction form
606,201.40/907,746.90 = 578,207.80/x - Step 3: Cross multiply
606,201.40x = 907,746.90 × 578,207.80 - Step 4: Simplify right side
606,201.40x = 524,866,338,005.82 - Step 5: Solve for x
x = 524,866,338,005.82/606,201.40 - Step 6: Final answer
x = 865,828.32
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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.