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Finding the Fourth Proportional to 644,802.80, 967,204.20 and 617,500.40

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Solution

The fourth proportional to 644,802.80, 967,204.20 and 617,500.40 is: 926,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,802.80 : 967,204.20 = 617,500.40 : x
  2. Step 2: Convert to fraction form
    644,802.80/967,204.20 = 617,500.40/x
  3. Step 3: Cross multiply
    644,802.80x = 967,204.20 × 617,500.40
  4. Step 4: Simplify right side
    644,802.80x = 597,248,980,381.68
  5. Step 5: Solve for x
    x = 597,248,980,381.68/644,802.80
  6. Step 6: Final answer
    x = 926,250.60

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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.