Finding the Fourth Proportional to 750,437.18, 1,035,595.89 and 406,264.01
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Solution
The fourth proportional to 750,437.18, 1,035,595.89 and 406,264.01 is: 560,640.31
Step by Step Solution
- Step 1: Write the proportion equation
750,437.18 : 1,035,595.89 = 406,264.01 : x - Step 2: Convert to fraction form
750,437.18/1,035,595.89 = 406,264.01/x - Step 3: Cross multiply
750,437.18x = 1,035,595.89 × 406,264.01 - Step 4: Simplify right side
750,437.18x = 420,725,333,832.94 - Step 5: Solve for x
x = 420,725,333,832.94/750,437.18 - Step 6: Final answer
x = 560,640.31
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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.