Home / 738,004.60-1,107,266.10-317,409.40

Finding the Fourth Proportional to 738,004.60, 1,107,266.10 and 317,409.40

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Solution

The fourth proportional to 738,004.60, 1,107,266.10 and 317,409.40 is: 476,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,004.60 : 1,107,266.10 = 317,409.40 : x
  2. Step 2: Convert to fraction form
    738,004.60/1,107,266.10 = 317,409.40/x
  3. Step 3: Cross multiply
    738,004.60x = 1,107,266.10 × 317,409.40
  4. Step 4: Simplify right side
    738,004.60x = 351,456,668,441.34
  5. Step 5: Solve for x
    x = 351,456,668,441.34/738,004.60
  6. Step 6: Final answer
    x = 476,225.58

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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.