Home / 738,349.64-1,107,559.62-358,818.20

Finding the Fourth Proportional to 738,349.64, 1,107,559.62 and 358,818.20

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Solution

The fourth proportional to 738,349.64, 1,107,559.62 and 358,818.20 is: 538,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,349.64 : 1,107,559.62 = 358,818.20 : x
  2. Step 2: Convert to fraction form
    738,349.64/1,107,559.62 = 358,818.20/x
  3. Step 3: Cross multiply
    738,349.64x = 1,107,559.62 × 358,818.20
  4. Step 4: Simplify right side
    738,349.64x = 397,412,543,703.29
  5. Step 5: Solve for x
    x = 397,412,543,703.29/738,349.64
  6. Step 6: Final answer
    x = 538,244.38

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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.