Home / 972,003.98-1,341,366.33-542,284.20

Finding the Fourth Proportional to 972,003.98, 1,341,366.33 and 542,284.20

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Solution

The fourth proportional to 972,003.98, 1,341,366.33 and 542,284.20 is: 748,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,003.98 : 1,341,366.33 = 542,284.20 : x
  2. Step 2: Convert to fraction form
    972,003.98/1,341,366.33 = 542,284.20/x
  3. Step 3: Cross multiply
    972,003.98x = 1,341,366.33 × 542,284.20
  4. Step 4: Simplify right side
    972,003.98x = 727,401,767,170.99
  5. Step 5: Solve for x
    x = 727,401,767,170.99/972,003.98
  6. Step 6: Final answer
    x = 748,352.66

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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.