Finding the Fourth Proportional to 708,235.96, 977,365.74 and 385,946.20
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Solution
The fourth proportional to 708,235.96, 977,365.74 and 385,946.20 is: 532,605.82
Step by Step Solution
- Step 1: Write the proportion equation
708,235.96 : 977,365.74 = 385,946.20 : x - Step 2: Convert to fraction form
708,235.96/977,365.74 = 385,946.20/x - Step 3: Cross multiply
708,235.96x = 977,365.74 × 385,946.20 - Step 4: Simplify right side
708,235.96x = 377,210,593,363.19 - Step 5: Solve for x
x = 377,210,593,363.19/708,235.96 - Step 6: Final answer
x = 532,605.82
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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.