Home / 970,816.20-1,455,080.52-437,713.08

Finding the Fourth Proportional to 970,816.20, 1,455,080.52 and 437,713.08

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Solution

The fourth proportional to 970,816.20, 1,455,080.52 and 437,713.08 is: 656,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,816.20 : 1,455,080.52 = 437,713.08 : x
  2. Step 2: Convert to fraction form
    970,816.20/1,455,080.52 = 437,713.08/x
  3. Step 3: Cross multiply
    970,816.20x = 1,455,080.52 × 437,713.08
  4. Step 4: Simplify right side
    970,816.20x = 636,907,776,057.20
  5. Step 5: Solve for x
    x = 636,907,776,057.20/970,816.20
  6. Step 6: Final answer
    x = 656,053.92

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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.