Home / 738,904.47-1,108,012.23-383,823.15

Finding the Fourth Proportional to 738,904.47, 1,108,012.23 and 383,823.15

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Solution

The fourth proportional to 738,904.47, 1,108,012.23 and 383,823.15 is: 575,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,904.47 : 1,108,012.23 = 383,823.15 : x
  2. Step 2: Convert to fraction form
    738,904.47/1,108,012.23 = 383,823.15/x
  3. Step 3: Cross multiply
    738,904.47x = 1,108,012.23 × 383,823.15
  4. Step 4: Simplify right side
    738,904.47x = 425,280,744,357.13
  5. Step 5: Solve for x
    x = 425,280,744,357.13/738,904.47
  6. Step 6: Final answer
    x = 575,555.79

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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.