Finding the Fourth Proportional to 530,671.59, 732,320.42 and 288,954.09
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Solution
The fourth proportional to 530,671.59, 732,320.42 and 288,954.09 is: 398,753.17
Step by Step Solution
- Step 1: Write the proportion equation
530,671.59 : 732,320.42 = 288,954.09 : x - Step 2: Convert to fraction form
530,671.59/732,320.42 = 288,954.09/x - Step 3: Cross multiply
530,671.59x = 732,320.42 × 288,954.09 - Step 4: Simplify right side
530,671.59x = 211,606,979,104.75 - Step 5: Solve for x
x = 211,606,979,104.75/530,671.59 - Step 6: Final answer
x = 398,753.17
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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.