Home / 738,271.20-1,107,925.20-317,848.80

Finding the Fourth Proportional to 738,271.20, 1,107,925.20 and 317,848.80

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Solution

The fourth proportional to 738,271.20, 1,107,925.20 and 317,848.80 is: 476,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,271.20 : 1,107,925.20 = 317,848.80 : x
  2. Step 2: Convert to fraction form
    738,271.20/1,107,925.20 = 317,848.80/x
  3. Step 3: Cross multiply
    738,271.20x = 1,107,925.20 × 317,848.80
  4. Step 4: Simplify right side
    738,271.20x = 352,152,695,309.76
  5. Step 5: Solve for x
    x = 352,152,695,309.76/738,271.20
  6. Step 6: Final answer
    x = 476,996.39

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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.