Finding the Fourth Proportional to 909,479.54, 1,255,027.55 and 522,357.99
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Solution
The fourth proportional to 909,479.54, 1,255,027.55 and 522,357.99 is: 720,822.89
Step by Step Solution
- Step 1: Write the proportion equation
909,479.54 : 1,255,027.55 = 522,357.99 : x - Step 2: Convert to fraction form
909,479.54/1,255,027.55 = 522,357.99/x - Step 3: Cross multiply
909,479.54x = 1,255,027.55 × 522,357.99 - Step 4: Simplify right side
909,479.54x = 655,573,668,412.63 - Step 5: Solve for x
x = 655,573,668,412.63/909,479.54 - Step 6: Final answer
x = 720,822.89
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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.