Finding the Fourth Proportional to 709,925.08, 979,698.66 and 387,637.96
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Solution
The fourth proportional to 709,925.08, 979,698.66 and 387,637.96 is: 534,941.50
Step by Step Solution
- Step 1: Write the proportion equation
709,925.08 : 979,698.66 = 387,637.96 : x - Step 2: Convert to fraction form
709,925.08/979,698.66 = 387,637.96/x - Step 3: Cross multiply
709,925.08x = 979,698.66 × 387,637.96 - Step 4: Simplify right side
709,925.08x = 379,768,389,977.13 - Step 5: Solve for x
x = 379,768,389,977.13/709,925.08 - Step 6: Final answer
x = 534,941.50
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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.