Home / 697,434.76-1,047,201.90-398,253.16

Finding the Fourth Proportional to 697,434.76, 1,047,201.90 and 398,253.16

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Solution

The fourth proportional to 697,434.76, 1,047,201.90 and 398,253.16 is: 597,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,434.76 : 1,047,201.90 = 398,253.16 : x
  2. Step 2: Convert to fraction form
    697,434.76/1,047,201.90 = 398,253.16/x
  3. Step 3: Cross multiply
    697,434.76x = 1,047,201.90 × 398,253.16
  4. Step 4: Simplify right side
    697,434.76x = 417,051,465,833.00
  5. Step 5: Solve for x
    x = 417,051,465,833.00/697,434.76
  6. Step 6: Final answer
    x = 597,979.18

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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.