Finding the Fourth Proportional to 658,407.69, 908,572.68 and 413,518.95
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Solution
The fourth proportional to 658,407.69, 908,572.68 and 413,518.95 is: 570,637.35
Step by Step Solution
- Step 1: Write the proportion equation
658,407.69 : 908,572.68 = 413,518.95 : x - Step 2: Convert to fraction form
658,407.69/908,572.68 = 413,518.95/x - Step 3: Cross multiply
658,407.69x = 908,572.68 × 413,518.95 - Step 4: Simplify right side
658,407.69x = 375,712,020,632.29 - Step 5: Solve for x
x = 375,712,020,632.29/658,407.69 - Step 6: Final answer
x = 570,637.35
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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.