Home / 738,926.30-1,019,729.61-432,929.46

Finding the Fourth Proportional to 738,926.30, 1,019,729.61 and 432,929.46

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Solution

The fourth proportional to 738,926.30, 1,019,729.61 and 432,929.46 is: 597,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,926.30 : 1,019,729.61 = 432,929.46 : x
  2. Step 2: Convert to fraction form
    738,926.30/1,019,729.61 = 432,929.46/x
  3. Step 3: Cross multiply
    738,926.30x = 1,019,729.61 × 432,929.46
  4. Step 4: Simplify right side
    738,926.30x = 441,470,989,403.31
  5. Step 5: Solve for x
    x = 441,470,989,403.31/738,926.30
  6. Step 6: Final answer
    x = 597,449.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.