Home / 972,543.09-1,457,587.52-492,891.43

Finding the Fourth Proportional to 972,543.09, 1,457,587.52 and 492,891.43

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Solution

The fourth proportional to 972,543.09, 1,457,587.52 and 492,891.43 is: 738,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,543.09 : 1,457,587.52 = 492,891.43 : x
  2. Step 2: Convert to fraction form
    972,543.09/1,457,587.52 = 492,891.43/x
  3. Step 3: Cross multiply
    972,543.09x = 1,457,587.52 × 492,891.43
  4. Step 4: Simplify right side
    972,543.09x = 718,432,397,082.95
  5. Step 5: Solve for x
    x = 718,432,397,082.95/972,543.09
  6. Step 6: Final answer
    x = 738,715.23

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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.