Home / 785,665.55-1,179,322.93-696,280.13

Finding the Fourth Proportional to 785,665.55, 1,179,322.93 and 696,280.13

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Solution

The fourth proportional to 785,665.55, 1,179,322.93 and 696,280.13 is: 1,045,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,665.55 : 1,179,322.93 = 696,280.13 : x
  2. Step 2: Convert to fraction form
    785,665.55/1,179,322.93 = 696,280.13/x
  3. Step 3: Cross multiply
    785,665.55x = 1,179,322.93 × 696,280.13
  4. Step 4: Simplify right side
    785,665.55x = 821,139,122,408.58
  5. Step 5: Solve for x
    x = 821,139,122,408.58/785,665.55
  6. Step 6: Final answer
    x = 1,045,150.98

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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.