Finding the Fourth Proportional to 977,116.99, 1,348,421.58 and 541,562.46
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Solution
The fourth proportional to 977,116.99, 1,348,421.58 and 541,562.46 is: 747,356.27
Step by Step Solution
- Step 1: Write the proportion equation
977,116.99 : 1,348,421.58 = 541,562.46 : x - Step 2: Convert to fraction form
977,116.99/1,348,421.58 = 541,562.46/x - Step 3: Cross multiply
977,116.99x = 1,348,421.58 × 541,562.46 - Step 4: Simplify right side
977,116.99x = 730,254,507,981.89 - Step 5: Solve for x
x = 730,254,507,981.89/977,116.99 - Step 6: Final answer
x = 747,356.27
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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.