Home / 738,368.60-1,107,552.90-454,933.40

Finding the Fourth Proportional to 738,368.60, 1,107,552.90 and 454,933.40

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Solution

The fourth proportional to 738,368.60, 1,107,552.90 and 454,933.40 is: 682,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,368.60 : 1,107,552.90 = 454,933.40 : x
  2. Step 2: Convert to fraction form
    738,368.60/1,107,552.90 = 454,933.40/x
  3. Step 3: Cross multiply
    738,368.60x = 1,107,552.90 × 454,933.40
  4. Step 4: Simplify right side
    738,368.60x = 503,862,806,476.86
  5. Step 5: Solve for x
    x = 503,862,806,476.86/738,368.60
  6. Step 6: Final answer
    x = 682,400.10

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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.