Finding the Fourth Proportional to 658,948.96, 909,325.08 and 357,136.48
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Solution
The fourth proportional to 658,948.96, 909,325.08 and 357,136.48 is: 492,835.07
Step by Step Solution
- Step 1: Write the proportion equation
658,948.96 : 909,325.08 = 357,136.48 : x - Step 2: Convert to fraction form
658,948.96/909,325.08 = 357,136.48/x - Step 3: Cross multiply
658,948.96x = 909,325.08 × 357,136.48 - Step 4: Simplify right side
658,948.96x = 324,753,158,246.92 - Step 5: Solve for x
x = 324,753,158,246.92/658,948.96 - Step 6: Final answer
x = 492,835.07
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1.5x scale
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.