Home / 742,870.60-1,114,176.30-269,312.20

Finding the Fourth Proportional to 742,870.60, 1,114,176.30 and 269,312.20

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Solution

The fourth proportional to 742,870.60, 1,114,176.30 and 269,312.20 is: 403,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,870.60 : 1,114,176.30 = 269,312.20 : x
  2. Step 2: Convert to fraction form
    742,870.60/1,114,176.30 = 269,312.20/x
  3. Step 3: Cross multiply
    742,870.60x = 1,114,176.30 × 269,312.20
  4. Step 4: Simplify right side
    742,870.60x = 300,061,270,540.86
  5. Step 5: Solve for x
    x = 300,061,270,540.86/742,870.60
  6. Step 6: Final answer
    x = 403,921.32

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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.