Finding the Fourth Proportional to 909,479.29, 1,255,027.21 and 522,357.74
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Solution
The fourth proportional to 909,479.29, 1,255,027.21 and 522,357.74 is: 720,822.54
Step by Step Solution
- Step 1: Write the proportion equation
909,479.29 : 1,255,027.21 = 522,357.74 : x - Step 2: Convert to fraction form
909,479.29/1,255,027.21 = 522,357.74/x - Step 3: Cross multiply
909,479.29x = 1,255,027.21 × 522,357.74 - Step 4: Simplify right side
909,479.29x = 655,573,169,473.08 - Step 5: Solve for x
x = 655,573,169,473.08/909,479.29 - Step 6: Final answer
x = 720,822.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.