Finding the Fourth Proportional to 626,971.35, 865,485.18 and 423,298.02
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Solution
The fourth proportional to 626,971.35, 865,485.18 and 423,298.02 is: 584,329.99
Step by Step Solution
- Step 1: Write the proportion equation
626,971.35 : 865,485.18 = 423,298.02 : x - Step 2: Convert to fraction form
626,971.35/865,485.18 = 423,298.02/x - Step 3: Cross multiply
626,971.35x = 865,485.18 × 423,298.02 - Step 4: Simplify right side
626,971.35x = 366,358,163,033.34 - Step 5: Solve for x
x = 366,358,163,033.34/626,971.35 - Step 6: Final answer
x = 584,329.99
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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.