Finding the Fourth Proportional to 528,675.34, 729,572.68 and 286,957.96
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Solution
The fourth proportional to 528,675.34, 729,572.68 and 286,957.96 is: 396,002.37
Step by Step Solution
- Step 1: Write the proportion equation
528,675.34 : 729,572.68 = 286,957.96 : x - Step 2: Convert to fraction form
528,675.34/729,572.68 = 286,957.96/x - Step 3: Cross multiply
528,675.34x = 729,572.68 × 286,957.96 - Step 4: Simplify right side
528,675.34x = 209,356,687,924.53 - Step 5: Solve for x
x = 209,356,687,924.53/528,675.34 - Step 6: Final answer
x = 396,002.37
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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.