Finding the Fourth Proportional to 530,675.68, 732,329.32 and 288,957.68
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Solution
The fourth proportional to 530,675.68, 732,329.32 and 288,957.68 is: 398,759.90
Step by Step Solution
- Step 1: Write the proportion equation
530,675.68 : 732,329.32 = 288,957.68 : x - Step 2: Convert to fraction form
530,675.68/732,329.32 = 288,957.68/x - Step 3: Cross multiply
530,675.68x = 732,329.32 × 288,957.68 - Step 4: Simplify right side
530,675.68x = 211,612,181,303.18 - Step 5: Solve for x
x = 211,612,181,303.18/530,675.68 - Step 6: Final answer
x = 398,759.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.