Home / 972,012.96-1,341,378.72-542,293.16

Finding the Fourth Proportional to 972,012.96, 1,341,378.72 and 542,293.16

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Solution

The fourth proportional to 972,012.96, 1,341,378.72 and 542,293.16 is: 748,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,012.96 : 1,341,378.72 = 542,293.16 : x
  2. Step 2: Convert to fraction form
    972,012.96/1,341,378.72 = 542,293.16/x
  3. Step 3: Cross multiply
    972,012.96x = 1,341,378.72 × 542,293.16
  4. Step 4: Simplify right side
    972,012.96x = 727,420,498,118.66
  5. Step 5: Solve for x
    x = 727,420,498,118.66/972,012.96
  6. Step 6: Final answer
    x = 748,365.02

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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.