Home / 972,502.75-1,340,447.56-650,095.21

Finding the Fourth Proportional to 972,502.75, 1,340,447.56 and 650,095.21

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Solution

The fourth proportional to 972,502.75, 1,340,447.56 and 650,095.21 is: 896,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,502.75 : 1,340,447.56 = 650,095.21 : x
  2. Step 2: Convert to fraction form
    972,502.75/1,340,447.56 = 650,095.21/x
  3. Step 3: Cross multiply
    972,502.75x = 1,340,447.56 × 650,095.21
  4. Step 4: Simplify right side
    972,502.75x = 871,418,533,035.83
  5. Step 5: Solve for x
    x = 871,418,533,035.83/972,502.75
  6. Step 6: Final answer
    x = 896,057.66

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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.