Finding the Fourth Proportional to 708,862.04, 1,062,089.46 and 427,788.68
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Solution
The fourth proportional to 708,862.04, 1,062,089.46 and 427,788.68 is: 640,956.66
Step by Step Solution
- Step 1: Write the proportion equation
708,862.04 : 1,062,089.46 = 427,788.68 : x - Step 2: Convert to fraction form
708,862.04/1,062,089.46 = 427,788.68/x - Step 3: Cross multiply
708,862.04x = 1,062,089.46 × 427,788.68 - Step 4: Simplify right side
708,862.04x = 454,349,848,135.31 - Step 5: Solve for x
x = 454,349,848,135.31/708,862.04 - Step 6: Final answer
x = 640,956.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.