Home / 972,452.70-1,340,378.49-650,045.16

Finding the Fourth Proportional to 972,452.70, 1,340,378.49 and 650,045.16

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Solution

The fourth proportional to 972,452.70, 1,340,378.49 and 650,045.16 is: 895,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,452.70 : 1,340,378.49 = 650,045.16 : x
  2. Step 2: Convert to fraction form
    972,452.70/1,340,378.49 = 650,045.16/x
  3. Step 3: Cross multiply
    972,452.70x = 1,340,378.49 × 650,045.16
  4. Step 4: Simplify right side
    972,452.70x = 871,306,549,992.61
  5. Step 5: Solve for x
    x = 871,306,549,992.61/972,452.70
  6. Step 6: Final answer
    x = 895,988.62

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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.