Home / 738,248.58-1,107,465.21-288,911.41

Finding the Fourth Proportional to 738,248.58, 1,107,465.21 and 288,911.41

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Solution

The fourth proportional to 738,248.58, 1,107,465.21 and 288,911.41 is: 433,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,248.58 : 1,107,465.21 = 288,911.41 : x
  2. Step 2: Convert to fraction form
    738,248.58/1,107,465.21 = 288,911.41/x
  3. Step 3: Cross multiply
    738,248.58x = 1,107,465.21 × 288,911.41
  4. Step 4: Simplify right side
    738,248.58x = 319,959,332,578.38
  5. Step 5: Solve for x
    x = 319,959,332,578.38/738,248.58
  6. Step 6: Final answer
    x = 433,403.25

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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.