Home / 972,150.54-1,341,567.41-542,430.56

Finding the Fourth Proportional to 972,150.54, 1,341,567.41 and 542,430.56

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Solution

The fourth proportional to 972,150.54, 1,341,567.41 and 542,430.56 is: 748,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,150.54 : 1,341,567.41 = 542,430.56 : x
  2. Step 2: Convert to fraction form
    972,150.54/1,341,567.41 = 542,430.56/x
  3. Step 3: Cross multiply
    972,150.54x = 1,341,567.41 × 542,430.56
  4. Step 4: Simplify right side
    972,150.54x = 727,707,152,064.06
  5. Step 5: Solve for x
    x = 727,707,152,064.06/972,150.54
  6. Step 6: Final answer
    x = 748,553.98

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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.