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Finding the Fourth Proportional to 660,325.02, 990,881.01 and 239,633.70

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Solution

The fourth proportional to 660,325.02, 990,881.01 and 239,633.70 is: 359,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,325.02 : 990,881.01 = 239,633.70 : x
  2. Step 2: Convert to fraction form
    660,325.02/990,881.01 = 239,633.70/x
  3. Step 3: Cross multiply
    660,325.02x = 990,881.01 × 239,633.70
  4. Step 4: Simplify right side
    660,325.02x = 237,448,482,686.04
  5. Step 5: Solve for x
    x = 237,448,482,686.04/660,325.02
  6. Step 6: Final answer
    x = 359,593.34

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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.