Home / 697,851.60-1,047,761.55-432,131.10

Finding the Fourth Proportional to 697,851.60, 1,047,761.55 and 432,131.10

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Solution

The fourth proportional to 697,851.60, 1,047,761.55 and 432,131.10 is: 648,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,851.60 : 1,047,761.55 = 432,131.10 : x
  2. Step 2: Convert to fraction form
    697,851.60/1,047,761.55 = 432,131.10/x
  3. Step 3: Cross multiply
    697,851.60x = 1,047,761.55 × 432,131.10
  4. Step 4: Simplify right side
    697,851.60x = 452,770,351,139.21
  5. Step 5: Solve for x
    x = 452,770,351,139.21/697,851.60
  6. Step 6: Final answer
    x = 648,806.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.