Finding the Fourth Proportional to 569,378.90, 785,743.08 and 314,730.02
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Solution
The fourth proportional to 569,378.90, 785,743.08 and 314,730.02 is: 434,327.54
Step by Step Solution
- Step 1: Write the proportion equation
569,378.90 : 785,743.08 = 314,730.02 : x - Step 2: Convert to fraction form
569,378.90/785,743.08 = 314,730.02/x - Step 3: Cross multiply
569,378.90x = 785,743.08 × 314,730.02 - Step 4: Simplify right side
569,378.90x = 247,296,935,283.26 - Step 5: Solve for x
x = 247,296,935,283.26/569,378.90 - Step 6: Final answer
x = 434,327.54
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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.