Home / 970,806.42-1,455,065.91-437,703.30

Finding the Fourth Proportional to 970,806.42, 1,455,065.91 and 437,703.30

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Solution

The fourth proportional to 970,806.42, 1,455,065.91 and 437,703.30 is: 656,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,806.42 : 1,455,065.91 = 437,703.30 : x
  2. Step 2: Convert to fraction form
    970,806.42/1,455,065.91 = 437,703.30/x
  3. Step 3: Cross multiply
    970,806.42x = 1,455,065.91 × 437,703.30
  4. Step 4: Simplify right side
    970,806.42x = 636,887,150,524.50
  5. Step 5: Solve for x
    x = 636,887,150,524.50/970,806.42
  6. Step 6: Final answer
    x = 656,039.29

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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.