Home / 716,645.80-1,074,903.90-243,346.60

Finding the Fourth Proportional to 716,645.80, 1,074,903.90 and 243,346.60

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Solution

The fourth proportional to 716,645.80, 1,074,903.90 and 243,346.60 is: 364,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,645.80 : 1,074,903.90 = 243,346.60 : x
  2. Step 2: Convert to fraction form
    716,645.80/1,074,903.90 = 243,346.60/x
  3. Step 3: Cross multiply
    716,645.80x = 1,074,903.90 × 243,346.60
  4. Step 4: Simplify right side
    716,645.80x = 261,574,209,391.74
  5. Step 5: Solve for x
    x = 261,574,209,391.74/716,645.80
  6. Step 6: Final answer
    x = 364,997.90

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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.