Finding the Fourth Proportional to 900,927.36, 1,243,317.60 and 498,519.36
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Solution
The fourth proportional to 900,927.36, 1,243,317.60 and 498,519.36 is: 687,977.66
Step by Step Solution
- Step 1: Write the proportion equation
900,927.36 : 1,243,317.60 = 498,519.36 : x - Step 2: Convert to fraction form
900,927.36/1,243,317.60 = 498,519.36/x - Step 3: Cross multiply
900,927.36x = 1,243,317.60 × 498,519.36 - Step 4: Simplify right side
900,927.36x = 619,817,894,228.74 - Step 5: Solve for x
x = 619,817,894,228.74/900,927.36 - Step 6: Final answer
x = 687,977.66
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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.