Home / 746,968.40-1,119,116.10-454,315.40

Finding the Fourth Proportional to 746,968.40, 1,119,116.10 and 454,315.40

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Solution

The fourth proportional to 746,968.40, 1,119,116.10 and 454,315.40 is: 680,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,968.40 : 1,119,116.10 = 454,315.40 : x
  2. Step 2: Convert to fraction form
    746,968.40/1,119,116.10 = 454,315.40/x
  3. Step 3: Cross multiply
    746,968.40x = 1,119,116.10 × 454,315.40
  4. Step 4: Simplify right side
    746,968.40x = 508,431,678,617.94
  5. Step 5: Solve for x
    x = 508,431,678,617.94/746,968.40
  6. Step 6: Final answer
    x = 680,660.22

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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.