Home / 746,007.68-1,119,987.04-442,955.20

Finding the Fourth Proportional to 746,007.68, 1,119,987.04 and 442,955.20

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Solution

The fourth proportional to 746,007.68, 1,119,987.04 and 442,955.20 is: 665,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,007.68 : 1,119,987.04 = 442,955.20 : x
  2. Step 2: Convert to fraction form
    746,007.68/1,119,987.04 = 442,955.20/x
  3. Step 3: Cross multiply
    746,007.68x = 1,119,987.04 × 442,955.20
  4. Step 4: Simplify right side
    746,007.68x = 496,104,083,300.61
  5. Step 5: Solve for x
    x = 496,104,083,300.61/746,007.68
  6. Step 6: Final answer
    x = 665,012.03

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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.