Finding the Fourth Proportional to 530,284, 731,792.04 and 291,820
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Solution
The fourth proportional to 530,284, 731,792.04 and 291,820 is: 402,711.67
Step by Step Solution
- Step 1: Write the proportion equation
530,284 : 731,792.04 = 291,820 : x - Step 2: Convert to fraction form
530,284/731,792.04 = 291,820/x - Step 3: Cross multiply
530,284x = 731,792.04 × 291,820 - Step 4: Simplify right side
530,284x = 213,551,553,112.80 - Step 5: Solve for x
x = 213,551,553,112.80/530,284 - Step 6: Final answer
x = 402,711.67
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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.