Home / 736,802.60-1,105,787.10-287,738.60

Finding the Fourth Proportional to 736,802.60, 1,105,787.10 and 287,738.60

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Solution

The fourth proportional to 736,802.60, 1,105,787.10 and 287,738.60 is: 431,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,802.60 : 1,105,787.10 = 287,738.60 : x
  2. Step 2: Convert to fraction form
    736,802.60/1,105,787.10 = 287,738.60/x
  3. Step 3: Cross multiply
    736,802.60x = 1,105,787.10 × 287,738.60
  4. Step 4: Simplify right side
    736,802.60x = 318,177,632,052.06
  5. Step 5: Solve for x
    x = 318,177,632,052.06/736,802.60
  6. Step 6: Final answer
    x = 431,835.65

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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.