Finding the Fourth Proportional to 903,252.40, 1,246,543.49 and 521,303.78
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Solution
The fourth proportional to 903,252.40, 1,246,543.49 and 521,303.78 is: 719,431.06
Step by Step Solution
- Step 1: Write the proportion equation
903,252.40 : 1,246,543.49 = 521,303.78 : x - Step 2: Convert to fraction form
903,252.40/1,246,543.49 = 521,303.78/x - Step 3: Cross multiply
903,252.40x = 1,246,543.49 × 521,303.78 - Step 4: Simplify right side
903,252.40x = 649,827,833,271.39 - Step 5: Solve for x
x = 649,827,833,271.39/903,252.40 - Step 6: Final answer
x = 719,431.06
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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.