Home / 723,582.04-998,604.56-401,395.95

Finding the Fourth Proportional to 723,582.04, 998,604.56 and 401,395.95

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Solution

The fourth proportional to 723,582.04, 998,604.56 and 401,395.95 is: 553,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,582.04 : 998,604.56 = 401,395.95 : x
  2. Step 2: Convert to fraction form
    723,582.04/998,604.56 = 401,395.95/x
  3. Step 3: Cross multiply
    723,582.04x = 998,604.56 × 401,395.95
  4. Step 4: Simplify right side
    723,582.04x = 400,835,826,035.53
  5. Step 5: Solve for x
    x = 400,835,826,035.53/723,582.04
  6. Step 6: Final answer
    x = 553,960.44

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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.