Finding the Fourth Proportional to 630,842.95, 870,552.07 and 358,904.99
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Solution
The fourth proportional to 630,842.95, 870,552.07 and 358,904.99 is: 495,282.52
Step by Step Solution
- Step 1: Write the proportion equation
630,842.95 : 870,552.07 = 358,904.99 : x - Step 2: Convert to fraction form
630,842.95/870,552.07 = 358,904.99/x - Step 3: Cross multiply
630,842.95x = 870,552.07 × 358,904.99 - Step 4: Simplify right side
630,842.95x = 312,445,485,275.79 - Step 5: Solve for x
x = 312,445,485,275.79/630,842.95 - Step 6: Final answer
x = 495,282.52
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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.