Finding the Fourth Proportional to 708,029.02, 977,074.95 and 385,739.02
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Solution
The fourth proportional to 708,029.02, 977,074.95 and 385,739.02 is: 532,317.07
Step by Step Solution
- Step 1: Write the proportion equation
708,029.02 : 977,074.95 = 385,739.02 : x - Step 2: Convert to fraction form
708,029.02/977,074.95 = 385,739.02/x - Step 3: Cross multiply
708,029.02x = 977,074.95 × 385,739.02 - Step 4: Simplify right side
708,029.02x = 376,895,933,679.55 - Step 5: Solve for x
x = 376,895,933,679.55/708,029.02 - Step 6: Final answer
x = 532,317.07
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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.