Home / 915,050.16-1,372,758.68-316,033.28

Finding the Fourth Proportional to 915,050.16, 1,372,758.68 and 316,033.28

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Solution

The fourth proportional to 915,050.16, 1,372,758.68 and 316,033.28 is: 474,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,050.16 : 1,372,758.68 = 316,033.28 : x
  2. Step 2: Convert to fraction form
    915,050.16/1,372,758.68 = 316,033.28/x
  3. Step 3: Cross multiply
    915,050.16x = 1,372,758.68 × 316,033.28
  4. Step 4: Simplify right side
    915,050.16x = 433,837,428,288.87
  5. Step 5: Solve for x
    x = 433,837,428,288.87/915,050.16
  6. Step 6: Final answer
    x = 474,113.28

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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.