Home / 723,306.04-998,160.56-401,007.88

Finding the Fourth Proportional to 723,306.04, 998,160.56 and 401,007.88

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Solution

The fourth proportional to 723,306.04, 998,160.56 and 401,007.88 is: 553,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,306.04 : 998,160.56 = 401,007.88 : x
  2. Step 2: Convert to fraction form
    723,306.04/998,160.56 = 401,007.88/x
  3. Step 3: Cross multiply
    723,306.04x = 998,160.56 × 401,007.88
  4. Step 4: Simplify right side
    723,306.04x = 400,270,250,065.21
  5. Step 5: Solve for x
    x = 400,270,250,065.21/723,306.04
  6. Step 6: Final answer
    x = 553,389.89

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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.