Home / 696,420.39-1,044,630.93-459,707.75

Finding the Fourth Proportional to 696,420.39, 1,044,630.93 and 459,707.75

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Solution

The fourth proportional to 696,420.39, 1,044,630.93 and 459,707.75 is: 689,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,420.39 : 1,044,630.93 = 459,707.75 : x
  2. Step 2: Convert to fraction form
    696,420.39/1,044,630.93 = 459,707.75/x
  3. Step 3: Cross multiply
    696,420.39x = 1,044,630.93 × 459,707.75
  4. Step 4: Simplify right side
    696,420.39x = 480,224,929,187.55
  5. Step 5: Solve for x
    x = 480,224,929,187.55/696,420.39
  6. Step 6: Final answer
    x = 689,561.85

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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.