Finding the Fourth Proportional to 688,179.06, 1,032,268.21 and 214,904.98
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Solution
The fourth proportional to 688,179.06, 1,032,268.21 and 214,904.98 is: 322,357.35
Step by Step Solution
- Step 1: Write the proportion equation
688,179.06 : 1,032,268.21 = 214,904.98 : x - Step 2: Convert to fraction form
688,179.06/1,032,268.21 = 214,904.98/x - Step 3: Cross multiply
688,179.06x = 1,032,268.21 × 214,904.98 - Step 4: Simplify right side
688,179.06x = 221,839,579,024.69 - Step 5: Solve for x
x = 221,839,579,024.69/688,179.06 - Step 6: Final answer
x = 322,357.35
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1.5x scale
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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.