Finding the Fourth Proportional to 817,349.84, 1,127,925.10 and 473,200.28
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Solution
The fourth proportional to 817,349.84, 1,127,925.10 and 473,200.28 is: 653,006.15
Step by Step Solution
- Step 1: Write the proportion equation
817,349.84 : 1,127,925.10 = 473,200.28 : x - Step 2: Convert to fraction form
817,349.84/1,127,925.10 = 473,200.28/x - Step 3: Cross multiply
817,349.84x = 1,127,925.10 × 473,200.28 - Step 4: Simplify right side
817,349.84x = 533,734,473,139.03 - Step 5: Solve for x
x = 533,734,473,139.03/817,349.84 - Step 6: Final answer
x = 653,006.15
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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.