Home / 742,441.64-1,113,783.08-229,987.10

Finding the Fourth Proportional to 742,441.64, 1,113,783.08 and 229,987.10

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Solution

The fourth proportional to 742,441.64, 1,113,783.08 and 229,987.10 is: 345,018.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,441.64 : 1,113,783.08 = 229,987.10 : x
  2. Step 2: Convert to fraction form
    742,441.64/1,113,783.08 = 229,987.10/x
  3. Step 3: Cross multiply
    742,441.64x = 1,113,783.08 × 229,987.10
  4. Step 4: Simplify right side
    742,441.64x = 256,155,742,232.79
  5. Step 5: Solve for x
    x = 256,155,742,232.79/742,441.64
  6. Step 6: Final answer
    x = 345,018.02

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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.