Home / 972,449.69-1,340,374.37-650,042.15

Finding the Fourth Proportional to 972,449.69, 1,340,374.37 and 650,042.15

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Solution

The fourth proportional to 972,449.69, 1,340,374.37 and 650,042.15 is: 895,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,449.69 : 1,340,374.37 = 650,042.15 : x
  2. Step 2: Convert to fraction form
    972,449.69/1,340,374.37 = 650,042.15/x
  3. Step 3: Cross multiply
    972,449.69x = 1,340,374.37 × 650,042.15
  4. Step 4: Simplify right side
    972,449.69x = 871,299,827,327.61
  5. Step 5: Solve for x
    x = 871,299,827,327.61/972,449.69
  6. Step 6: Final answer
    x = 895,984.48

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1.5x scale

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.