Home / 929,368.68-1,393,241.10-360,357.76

Finding the Fourth Proportional to 929,368.68, 1,393,241.10 and 360,357.76

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Solution

The fourth proportional to 929,368.68, 1,393,241.10 and 360,357.76 is: 540,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,368.68 : 1,393,241.10 = 360,357.76 : x
  2. Step 2: Convert to fraction form
    929,368.68/1,393,241.10 = 360,357.76/x
  3. Step 3: Cross multiply
    929,368.68x = 1,393,241.10 × 360,357.76
  4. Step 4: Simplify right side
    929,368.68x = 502,065,241,935.94
  5. Step 5: Solve for x
    x = 502,065,241,935.94/929,368.68
  6. Step 6: Final answer
    x = 540,221.82

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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.