Home / 972,105.99-1,341,571.05-542,395.73

Finding the Fourth Proportional to 972,105.99, 1,341,571.05 and 542,395.73

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Solution

The fourth proportional to 972,105.99, 1,341,571.05 and 542,395.73 is: 748,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,105.99 : 1,341,571.05 = 542,395.73 : x
  2. Step 2: Convert to fraction form
    972,105.99/1,341,571.05 = 542,395.73/x
  3. Step 3: Cross multiply
    972,105.99x = 1,341,571.05 × 542,395.73
  4. Step 4: Simplify right side
    972,105.99x = 727,662,402,303.76
  5. Step 5: Solve for x
    x = 727,662,402,303.76/972,105.99
  6. Step 6: Final answer
    x = 748,542.25

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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.