Finding the Fourth Proportional to 630,931.14, 870,652.26 and 358,993.53
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Solution
The fourth proportional to 630,931.14, 870,652.26 and 358,993.53 is: 495,392.46
Step by Step Solution
- Step 1: Write the proportion equation
630,931.14 : 870,652.26 = 358,993.53 : x - Step 2: Convert to fraction form
630,931.14/870,652.26 = 358,993.53/x - Step 3: Cross multiply
630,931.14x = 870,652.26 × 358,993.53 - Step 4: Simplify right side
630,931.14x = 312,558,528,219.88 - Step 5: Solve for x
x = 312,558,528,219.88/630,931.14 - Step 6: Final answer
x = 495,392.46
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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.