Finding the Fourth Proportional to 977,212.80, 1,462,708.80 and 697,276.80
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Solution
The fourth proportional to 977,212.80, 1,462,708.80 and 697,276.80 is: 1,043,695.82
Step by Step Solution
- Step 1: Write the proportion equation
977,212.80 : 1,462,708.80 = 697,276.80 : x - Step 2: Convert to fraction form
977,212.80/1,462,708.80 = 697,276.80/x - Step 3: Cross multiply
977,212.80x = 1,462,708.80 × 697,276.80 - Step 4: Simplify right side
977,212.80x = 1,019,912,911,395.84 - Step 5: Solve for x
x = 1,019,912,911,395.84/977,212.80 - Step 6: Final answer
x = 1,043,695.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.