Finding the Fourth Proportional to 708,602.88, 977,898.24 and 436,615.68
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Solution
The fourth proportional to 708,602.88, 977,898.24 and 436,615.68 is: 602,545.82
Step by Step Solution
- Step 1: Write the proportion equation
708,602.88 : 977,898.24 = 436,615.68 : x - Step 2: Convert to fraction form
708,602.88/977,898.24 = 436,615.68/x - Step 3: Cross multiply
708,602.88x = 977,898.24 × 436,615.68 - Step 4: Simplify right side
708,602.88x = 426,965,705,028.40 - Step 5: Solve for x
x = 426,965,705,028.40/708,602.88 - Step 6: Final answer
x = 602,545.82
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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.