Home / 723,848.76-998,864.28-401,558.04

Finding the Fourth Proportional to 723,848.76, 998,864.28 and 401,558.04

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Solution

The fourth proportional to 723,848.76, 998,864.28 and 401,558.04 is: 554,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,848.76 : 998,864.28 = 401,558.04 : x
  2. Step 2: Convert to fraction form
    723,848.76/998,864.28 = 401,558.04/x
  3. Step 3: Cross multiply
    723,848.76x = 998,864.28 × 401,558.04
  4. Step 4: Simplify right side
    723,848.76x = 401,101,982,502.81
  5. Step 5: Solve for x
    x = 401,101,982,502.81/723,848.76
  6. Step 6: Final answer
    x = 554,124.02

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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.