Finding the Fourth Proportional to 525,125.74, 724,381.72 and 344,129.62
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Solution
The fourth proportional to 525,125.74, 724,381.72 and 344,129.62 is: 474,707.65
Step by Step Solution
- Step 1: Write the proportion equation
525,125.74 : 724,381.72 = 344,129.62 : x - Step 2: Convert to fraction form
525,125.74/724,381.72 = 344,129.62/x - Step 3: Cross multiply
525,125.74x = 724,381.72 × 344,129.62 - Step 4: Simplify right side
525,125.74x = 249,281,206,038.55 - Step 5: Solve for x
x = 249,281,206,038.55/525,125.74 - Step 6: Final answer
x = 474,707.65
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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.