Finding the Fourth Proportional to 917,712.08, 1,266,444.04 and 509,802.84
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Solution
The fourth proportional to 917,712.08, 1,266,444.04 and 509,802.84 is: 703,528.68
Step by Step Solution
- Step 1: Write the proportion equation
917,712.08 : 1,266,444.04 = 509,802.84 : x - Step 2: Convert to fraction form
917,712.08/1,266,444.04 = 509,802.84/x - Step 3: Cross multiply
917,712.08x = 1,266,444.04 × 509,802.84 - Step 4: Simplify right side
917,712.08x = 645,636,768,293.07 - Step 5: Solve for x
x = 645,636,768,293.07/917,712.08 - Step 6: Final answer
x = 703,528.68
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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.