Finding the Fourth Proportional to 559,607.97, 838,617.06 and 431,038.17
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Solution
The fourth proportional to 559,607.97, 838,617.06 and 431,038.17 is: 645,944.99
Step by Step Solution
- Step 1: Write the proportion equation
559,607.97 : 838,617.06 = 431,038.17 : x - Step 2: Convert to fraction form
559,607.97/838,617.06 = 431,038.17/x - Step 3: Cross multiply
559,607.97x = 838,617.06 × 431,038.17 - Step 4: Simplify right side
559,607.97x = 361,475,962,873.18 - Step 5: Solve for x
x = 361,475,962,873.18/559,607.97 - Step 6: Final answer
x = 645,944.99
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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.