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Finding the Fourth Proportional to 440,870.60, 608,384.50 and 239,666.60

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Solution

The fourth proportional to 440,870.60, 608,384.50 and 239,666.60 is: 330,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,870.60 : 608,384.50 = 239,666.60 : x
  2. Step 2: Convert to fraction form
    440,870.60/608,384.50 = 239,666.60/x
  3. Step 3: Cross multiply
    440,870.60x = 608,384.50 × 239,666.60
  4. Step 4: Simplify right side
    440,870.60x = 145,809,444,607.70
  5. Step 5: Solve for x
    x = 145,809,444,607.70/440,870.60
  6. Step 6: Final answer
    x = 330,730.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.