Finding the Fourth Proportional to 873,868.64, 1,311,312.46 and 368,398.68
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Solution
The fourth proportional to 873,868.64, 1,311,312.46 and 368,398.68 is: 552,812.81
Step by Step Solution
- Step 1: Write the proportion equation
873,868.64 : 1,311,312.46 = 368,398.68 : x - Step 2: Convert to fraction form
873,868.64/1,311,312.46 = 368,398.68/x - Step 3: Cross multiply
873,868.64x = 1,311,312.46 × 368,398.68 - Step 4: Simplify right side
873,868.64x = 483,085,779,331.55 - Step 5: Solve for x
x = 483,085,779,331.55/873,868.64 - Step 6: Final answer
x = 552,812.81
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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.