Home / 723,433.04-998,349.60-401,156.72

Finding the Fourth Proportional to 723,433.04, 998,349.60 and 401,156.72

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Solution

The fourth proportional to 723,433.04, 998,349.60 and 401,156.72 is: 553,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,433.04 : 998,349.60 = 401,156.72 : x
  2. Step 2: Convert to fraction form
    723,433.04/998,349.60 = 401,156.72/x
  3. Step 3: Cross multiply
    723,433.04x = 998,349.60 × 401,156.72
  4. Step 4: Simplify right side
    723,433.04x = 400,494,650,949.31
  5. Step 5: Solve for x
    x = 400,494,650,949.31/723,433.04
  6. Step 6: Final answer
    x = 553,602.93

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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.