Finding the Fourth Proportional to 750,918.24, 1,036,260.96 and 406,746.18
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Solution
The fourth proportional to 750,918.24, 1,036,260.96 and 406,746.18 is: 561,306.36
Step by Step Solution
- Step 1: Write the proportion equation
750,918.24 : 1,036,260.96 = 406,746.18 : x - Step 2: Convert to fraction form
750,918.24/1,036,260.96 = 406,746.18/x - Step 3: Cross multiply
750,918.24x = 1,036,260.96 × 406,746.18 - Step 4: Simplify right side
750,918.24x = 421,495,186,963.13 - Step 5: Solve for x
x = 421,495,186,963.13/750,918.24 - Step 6: Final answer
x = 561,306.36
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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.