Finding the Fourth Proportional to 688,104.06, 1,032,299.60 and 346,739.36
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Solution
The fourth proportional to 688,104.06, 1,032,299.60 and 346,739.36 is: 520,181.35
Step by Step Solution
- Step 1: Write the proportion equation
688,104.06 : 1,032,299.60 = 346,739.36 : x - Step 2: Convert to fraction form
688,104.06/1,032,299.60 = 346,739.36/x - Step 3: Cross multiply
688,104.06x = 1,032,299.60 × 346,739.36 - Step 4: Simplify right side
688,104.06x = 357,938,895,737.06 - Step 5: Solve for x
x = 357,938,895,737.06/688,104.06 - Step 6: Final answer
x = 520,181.35
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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.