Home / 850,353.69-1,173,487.98-468,380.46

Finding the Fourth Proportional to 850,353.69, 1,173,487.98 and 468,380.46

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Solution

The fourth proportional to 850,353.69, 1,173,487.98 and 468,380.46 is: 646,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,353.69 : 1,173,487.98 = 468,380.46 : x
  2. Step 2: Convert to fraction form
    850,353.69/1,173,487.98 = 468,380.46/x
  3. Step 3: Cross multiply
    850,353.69x = 1,173,487.98 × 468,380.46
  4. Step 4: Simplify right side
    850,353.69x = 549,638,839,876.87
  5. Step 5: Solve for x
    x = 549,638,839,876.87/850,353.69
  6. Step 6: Final answer
    x = 646,364.97

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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.