Home / 972,144.99-1,341,624.87-542,434.32

Finding the Fourth Proportional to 972,144.99, 1,341,624.87 and 542,434.32

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Solution

The fourth proportional to 972,144.99, 1,341,624.87 and 542,434.32 is: 748,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,144.99 : 1,341,624.87 = 542,434.32 : x
  2. Step 2: Convert to fraction form
    972,144.99/1,341,624.87 = 542,434.32/x
  3. Step 3: Cross multiply
    972,144.99x = 1,341,624.87 × 542,434.32
  4. Step 4: Simplify right side
    972,144.99x = 727,743,374,053.54
  5. Step 5: Solve for x
    x = 727,743,374,053.54/972,144.99
  6. Step 6: Final answer
    x = 748,595.51

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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.