Home / 714,215.08-1,070,866.86-309,189.16

Finding the Fourth Proportional to 714,215.08, 1,070,866.86 and 309,189.16

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Solution

The fourth proportional to 714,215.08, 1,070,866.86 and 309,189.16 is: 463,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,215.08 : 1,070,866.86 = 309,189.16 : x
  2. Step 2: Convert to fraction form
    714,215.08/1,070,866.86 = 309,189.16/x
  3. Step 3: Cross multiply
    714,215.08x = 1,070,866.86 × 309,189.16
  4. Step 4: Simplify right side
    714,215.08x = 331,100,424,915.24
  5. Step 5: Solve for x
    x = 331,100,424,915.24/714,215.08
  6. Step 6: Final answer
    x = 463,586.44

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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.