Finding the Fourth Proportional to 832,038.79, 1,248,156.59 and 271,073.29
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Solution
The fourth proportional to 832,038.79, 1,248,156.59 and 271,073.29 is: 406,641.99
Step by Step Solution
- Step 1: Write the proportion equation
832,038.79 : 1,248,156.59 = 271,073.29 : x - Step 2: Convert to fraction form
832,038.79/1,248,156.59 = 271,073.29/x - Step 3: Cross multiply
832,038.79x = 1,248,156.59 × 271,073.29 - Step 4: Simplify right side
832,038.79x = 338,341,911,931.12 - Step 5: Solve for x
x = 338,341,911,931.12/832,038.79 - Step 6: Final answer
x = 406,641.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.