Finding the Fourth Proportional to 752,531.23, 1,038,487.74 and 408,358.41
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Solution
The fourth proportional to 752,531.23, 1,038,487.74 and 408,358.41 is: 563,531.70
Step by Step Solution
- Step 1: Write the proportion equation
752,531.23 : 1,038,487.74 = 408,358.41 : x - Step 2: Convert to fraction form
752,531.23/1,038,487.74 = 408,358.41/x - Step 3: Cross multiply
752,531.23x = 1,038,487.74 × 408,358.41 - Step 4: Simplify right side
752,531.23x = 424,075,202,726.71 - Step 5: Solve for x
x = 424,075,202,726.71/752,531.23 - Step 6: Final answer
x = 563,531.70
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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.