Home / 742,777.32-1,025,276.58-436,840.32

Finding the Fourth Proportional to 742,777.32, 1,025,276.58 and 436,840.32

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Solution

The fourth proportional to 742,777.32, 1,025,276.58 and 436,840.32 is: 602,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,777.32 : 1,025,276.58 = 436,840.32 : x
  2. Step 2: Convert to fraction form
    742,777.32/1,025,276.58 = 436,840.32/x
  3. Step 3: Cross multiply
    742,777.32x = 1,025,276.58 × 436,840.32
  4. Step 4: Simplify right side
    742,777.32x = 447,882,149,295.71
  5. Step 5: Solve for x
    x = 447,882,149,295.71/742,777.32
  6. Step 6: Final answer
    x = 602,983.07

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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.