Home / 617,941.20-926,911.80-448,667.40

Finding the Fourth Proportional to 617,941.20, 926,911.80 and 448,667.40

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Solution

The fourth proportional to 617,941.20, 926,911.80 and 448,667.40 is: 673,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,941.20 : 926,911.80 = 448,667.40 : x
  2. Step 2: Convert to fraction form
    617,941.20/926,911.80 = 448,667.40/x
  3. Step 3: Cross multiply
    617,941.20x = 926,911.80 × 448,667.40
  4. Step 4: Simplify right side
    617,941.20x = 415,875,107,335.32
  5. Step 5: Solve for x
    x = 415,875,107,335.32/617,941.20
  6. Step 6: Final answer
    x = 673,001.10

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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.