Home / 764,283.32-1,054,688.10-437,585.48

Finding the Fourth Proportional to 764,283.32, 1,054,688.10 and 437,585.48

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Solution

The fourth proportional to 764,283.32, 1,054,688.10 and 437,585.48 is: 603,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,283.32 : 1,054,688.10 = 437,585.48 : x
  2. Step 2: Convert to fraction form
    764,283.32/1,054,688.10 = 437,585.48/x
  3. Step 3: Cross multiply
    764,283.32x = 1,054,688.10 × 437,585.48
  4. Step 4: Simplify right side
    764,283.32x = 461,516,198,488.79
  5. Step 5: Solve for x
    x = 461,516,198,488.79/764,283.32
  6. Step 6: Final answer
    x = 603,854.86

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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.