Finding the Fourth Proportional to 756,656.28, 1,044,178.80 and 417,124.52
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Solution
The fourth proportional to 756,656.28, 1,044,178.80 and 417,124.52 is: 575,628.05
Step by Step Solution
- Step 1: Write the proportion equation
756,656.28 : 1,044,178.80 = 417,124.52 : x - Step 2: Convert to fraction form
756,656.28/1,044,178.80 = 417,124.52/x - Step 3: Cross multiply
756,656.28x = 1,044,178.80 × 417,124.52 - Step 4: Simplify right side
756,656.28x = 435,552,580,744.18 - Step 5: Solve for x
x = 435,552,580,744.18/756,656.28 - Step 6: Final answer
x = 575,628.05
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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.