Home / 719,878.04-1,079,948.28-360,236.96

Finding the Fourth Proportional to 719,878.04, 1,079,948.28 and 360,236.96

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Solution

The fourth proportional to 719,878.04, 1,079,948.28 and 360,236.96 is: 540,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,878.04 : 1,079,948.28 = 360,236.96 : x
  2. Step 2: Convert to fraction form
    719,878.04/1,079,948.28 = 360,236.96/x
  3. Step 3: Cross multiply
    719,878.04x = 1,079,948.28 × 360,236.96
  4. Step 4: Simplify right side
    719,878.04x = 389,037,278,593.80
  5. Step 5: Solve for x
    x = 389,037,278,593.80/719,878.04
  6. Step 6: Final answer
    x = 540,421.10

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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.