Finding the Fourth Proportional to 531,122.60, 798,239.10 and 462,693.80
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Solution
The fourth proportional to 531,122.60, 798,239.10 and 462,693.80 is: 695,395.53
Step by Step Solution
- Step 1: Write the proportion equation
531,122.60 : 798,239.10 = 462,693.80 : x - Step 2: Convert to fraction form
531,122.60/798,239.10 = 462,693.80/x - Step 3: Cross multiply
531,122.60x = 798,239.10 × 462,693.80 - Step 4: Simplify right side
531,122.60x = 369,340,282,487.58 - Step 5: Solve for x
x = 369,340,282,487.58/531,122.60 - Step 6: Final answer
x = 695,395.53
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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.