Finding the Fourth Proportional to 999,728.10, 1,497,259.35 and 979,683.30
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Solution
The fourth proportional to 999,728.10, 1,497,259.35 and 979,683.30 is: 1,467,238.92
Step by Step Solution
- Step 1: Write the proportion equation
999,728.10 : 1,497,259.35 = 979,683.30 : x - Step 2: Convert to fraction form
999,728.10/1,497,259.35 = 979,683.30/x - Step 3: Cross multiply
999,728.10x = 1,497,259.35 × 979,683.30 - Step 4: Simplify right side
999,728.10x = 1,466,839,980,963.86 - Step 5: Solve for x
x = 1,466,839,980,963.86/999,728.10 - Step 6: Final answer
x = 1,467,238.92
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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.