Finding the Fourth Proportional to 817,990.01, 1,128,533.99 and 473,637.95
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Solution
The fourth proportional to 817,990.01, 1,128,533.99 and 473,637.95 is: 653,451.16
Step by Step Solution
- Step 1: Write the proportion equation
817,990.01 : 1,128,533.99 = 473,637.95 : x - Step 2: Convert to fraction form
817,990.01/1,128,533.99 = 473,637.95/x - Step 3: Cross multiply
817,990.01x = 1,128,533.99 × 473,637.95 - Step 4: Simplify right side
817,990.01x = 534,516,517,518.06 - Step 5: Solve for x
x = 534,516,517,518.06/817,990.01 - Step 6: Final answer
x = 653,451.16
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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.