Home / 738,329.40-1,018,915.92-416,021.76

Finding the Fourth Proportional to 738,329.40, 1,018,915.92 and 416,021.76

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Solution

The fourth proportional to 738,329.40, 1,018,915.92 and 416,021.76 is: 574,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,329.40 : 1,018,915.92 = 416,021.76 : x
  2. Step 2: Convert to fraction form
    738,329.40/1,018,915.92 = 416,021.76/x
  3. Step 3: Cross multiply
    738,329.40x = 1,018,915.92 × 416,021.76
  4. Step 4: Simplify right side
    738,329.40x = 423,891,194,330.42
  5. Step 5: Solve for x
    x = 423,891,194,330.42/738,329.40
  6. Step 6: Final answer
    x = 574,122.06

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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.