Finding the Fourth Proportional to 1,038,296.97, 1,432,847.12 and 579,406.71
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Solution
The fourth proportional to 1,038,296.97, 1,432,847.12 and 579,406.71 is: 799,579.76
Step by Step Solution
- Step 1: Write the proportion equation
1,038,296.97 : 1,432,847.12 = 579,406.71 : x - Step 2: Convert to fraction form
1,038,296.97/1,432,847.12 = 579,406.71/x - Step 3: Cross multiply
1,038,296.97x = 1,432,847.12 × 579,406.71 - Step 4: Simplify right side
1,038,296.97x = 830,201,237,180.69 - Step 5: Solve for x
x = 830,201,237,180.69/1,038,296.97 - Step 6: Final answer
x = 799,579.76
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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.