Finding the Fourth Proportional to 630,848.98, 870,560.35 and 358,911.02
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Solution
The fourth proportional to 630,848.98, 870,560.35 and 358,911.02 is: 495,290.81
Step by Step Solution
- Step 1: Write the proportion equation
630,848.98 : 870,560.35 = 358,911.02 : x - Step 2: Convert to fraction form
630,848.98/870,560.35 = 358,911.02/x - Step 3: Cross multiply
630,848.98x = 870,560.35 × 358,911.02 - Step 4: Simplify right side
630,848.98x = 312,453,703,190.06 - Step 5: Solve for x
x = 312,453,703,190.06/630,848.98 - Step 6: Final answer
x = 495,290.81
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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.