Finding the Fourth Proportional to 630,225.99, 869,785.40 and 358,334.63
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Solution
The fourth proportional to 630,225.99, 869,785.40 and 358,334.63 is: 494,543.59
Step by Step Solution
- Step 1: Write the proportion equation
630,225.99 : 869,785.40 = 358,334.63 : x - Step 2: Convert to fraction form
630,225.99/869,785.40 = 358,334.63/x - Step 3: Cross multiply
630,225.99x = 869,785.40 × 358,334.63 - Step 4: Simplify right side
630,225.99x = 311,674,223,347.80 - Step 5: Solve for x
x = 311,674,223,347.80/630,225.99 - Step 6: Final answer
x = 494,543.59
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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.