Home / 738,279.36-1,018,835.04-436,470.72

Finding the Fourth Proportional to 738,279.36, 1,018,835.04 and 436,470.72

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Solution

The fourth proportional to 738,279.36, 1,018,835.04 and 436,470.72 is: 602,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,279.36 : 1,018,835.04 = 436,470.72 : x
  2. Step 2: Convert to fraction form
    738,279.36/1,018,835.04 = 436,470.72/x
  3. Step 3: Cross multiply
    738,279.36x = 1,018,835.04 × 436,470.72
  4. Step 4: Simplify right side
    738,279.36x = 444,691,663,470.03
  5. Step 5: Solve for x
    x = 444,691,663,470.03/738,279.36
  6. Step 6: Final answer
    x = 602,335.22

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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.