Home / 736,121.79-1,103,730.37-286,318.33

Finding the Fourth Proportional to 736,121.79, 1,103,730.37 and 286,318.33

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Solution

The fourth proportional to 736,121.79, 1,103,730.37 and 286,318.33 is: 429,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,121.79 : 1,103,730.37 = 286,318.33 : x
  2. Step 2: Convert to fraction form
    736,121.79/1,103,730.37 = 286,318.33/x
  3. Step 3: Cross multiply
    736,121.79x = 1,103,730.37 × 286,318.33
  4. Step 4: Simplify right side
    736,121.79x = 316,018,232,833.56
  5. Step 5: Solve for x
    x = 316,018,232,833.56/736,121.79
  6. Step 6: Final answer
    x = 429,301.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.