Finding the Fourth Proportional to 922,823.70, 1,384,235.55 and 549,575.70
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Solution
The fourth proportional to 922,823.70, 1,384,235.55 and 549,575.70 is: 824,363.55
Step by Step Solution
- Step 1: Write the proportion equation
922,823.70 : 1,384,235.55 = 549,575.70 : x - Step 2: Convert to fraction form
922,823.70/1,384,235.55 = 549,575.70/x - Step 3: Cross multiply
922,823.70x = 1,384,235.55 × 549,575.70 - Step 4: Simplify right side
922,823.70x = 760,742,221,356.14 - Step 5: Solve for x
x = 760,742,221,356.14/922,823.70 - Step 6: Final answer
x = 824,363.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.