Home / 697,433.76-1,047,200.40-398,252.16

Finding the Fourth Proportional to 697,433.76, 1,047,200.40 and 398,252.16

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Solution

The fourth proportional to 697,433.76, 1,047,200.40 and 398,252.16 is: 597,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,433.76 : 1,047,200.40 = 398,252.16 : x
  2. Step 2: Convert to fraction form
    697,433.76/1,047,200.40 = 398,252.16/x
  3. Step 3: Cross multiply
    697,433.76x = 1,047,200.40 × 398,252.16
  4. Step 4: Simplify right side
    697,433.76x = 417,049,821,252.86
  5. Step 5: Solve for x
    x = 417,049,821,252.86/697,433.76
  6. Step 6: Final answer
    x = 597,977.68

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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.