Finding the Fourth Proportional to 900,002.84, 1,242,248.87 and 513,021.98
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Solution
The fourth proportional to 900,002.84, 1,242,248.87 and 513,021.98 is: 708,109.95
Step by Step Solution
- Step 1: Write the proportion equation
900,002.84 : 1,242,248.87 = 513,021.98 : x - Step 2: Convert to fraction form
900,002.84/1,242,248.87 = 513,021.98/x - Step 3: Cross multiply
900,002.84x = 1,242,248.87 × 513,021.98 - Step 4: Simplify right side
900,002.84x = 637,300,966,163.81 - Step 5: Solve for x
x = 637,300,966,163.81/900,002.84 - Step 6: Final answer
x = 708,109.95
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1.5x scale
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.