Finding the Fourth Proportional to 785,814.20, 1,178,688.44 and 224,848.70
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Solution
The fourth proportional to 785,814.20, 1,178,688.44 and 224,848.70 is: 337,263.65
Step by Step Solution
- Step 1: Write the proportion equation
785,814.20 : 1,178,688.44 = 224,848.70 : x - Step 2: Convert to fraction form
785,814.20/1,178,688.44 = 224,848.70/x - Step 3: Cross multiply
785,814.20x = 1,178,688.44 × 224,848.70 - Step 4: Simplify right side
785,814.20x = 265,026,563,439.03 - Step 5: Solve for x
x = 265,026,563,439.03/785,814.20 - Step 6: Final answer
x = 337,263.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.