Finding the Fourth Proportional to 753,437.58, 1,130,710.41 and 554,303.94
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Solution
The fourth proportional to 753,437.58, 1,130,710.41 and 554,303.94 is: 831,863.52
Step by Step Solution
- Step 1: Write the proportion equation
753,437.58 : 1,130,710.41 = 554,303.94 : x - Step 2: Convert to fraction form
753,437.58/1,130,710.41 = 554,303.94/x - Step 3: Cross multiply
753,437.58x = 1,130,710.41 × 554,303.94 - Step 4: Simplify right side
753,437.58x = 626,757,235,262.02 - Step 5: Solve for x
x = 626,757,235,262.02/753,437.58 - Step 6: Final answer
x = 831,863.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.