Finding the Fourth Proportional to 778,730.60, 1,168,484.70 and 442,029.80
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Solution
The fourth proportional to 778,730.60, 1,168,484.70 and 442,029.80 is: 663,265.39
Step by Step Solution
- Step 1: Write the proportion equation
778,730.60 : 1,168,484.70 = 442,029.80 : x - Step 2: Convert to fraction form
778,730.60/1,168,484.70 = 442,029.80/x - Step 3: Cross multiply
778,730.60x = 1,168,484.70 × 442,029.80 - Step 4: Simplify right side
778,730.60x = 516,505,058,244.06 - Step 5: Solve for x
x = 516,505,058,244.06/778,730.60 - Step 6: Final answer
x = 663,265.39
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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.