Home / 482,815.40-723,762.30-376,140.20

Finding the Fourth Proportional to 482,815.40, 723,762.30 and 376,140.20

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Solution

The fourth proportional to 482,815.40, 723,762.30 and 376,140.20 is: 563,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,815.40 : 723,762.30 = 376,140.20 : x
  2. Step 2: Convert to fraction form
    482,815.40/723,762.30 = 376,140.20/x
  3. Step 3: Cross multiply
    482,815.40x = 723,762.30 × 376,140.20
  4. Step 4: Simplify right side
    482,815.40x = 272,236,096,274.46
  5. Step 5: Solve for x
    x = 272,236,096,274.46/482,815.40
  6. Step 6: Final answer
    x = 563,851.31

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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.