Home / 723,582.42-998,603.52-401,396.40

Finding the Fourth Proportional to 723,582.42, 998,603.52 and 401,396.40

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Solution

The fourth proportional to 723,582.42, 998,603.52 and 401,396.40 is: 553,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,582.42 : 998,603.52 = 401,396.40 : x
  2. Step 2: Convert to fraction form
    723,582.42/998,603.52 = 401,396.40/x
  3. Step 3: Cross multiply
    723,582.42x = 998,603.52 × 401,396.40
  4. Step 4: Simplify right side
    723,582.42x = 400,835,857,955.33
  5. Step 5: Solve for x
    x = 400,835,857,955.33/723,582.42
  6. Step 6: Final answer
    x = 553,960.19

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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.